Troubleshooting



Please select the product above to view troubleshooting information for a specific IVEK product.

Problem Probable Cause Possible Solution
No power, nothing works AC power may be absent or inadequate. Unit not plugged in. Ensure AC power cord is plugged into a properly grounded three-prong outlet capable of supplying the voltage listed in the Title Page section of this manual.
Fuse is blown. Unplug main power cord from outlet. Remove fuse from rear panel fuse holder. Test fuse. Install good fuse in rear panel fuse holder.
AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
Power is on, motor spindle fails to rotate, and motor is silent. A bad motor cable connection could cause this problem. Turn off controller module power. Disconnect motor cable from motor and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways are aligned and that the connectors are locked into place. Turn on controller module power and try again.
A motor malfunction could cause this problem. Turn off controller module power. Should you have a spare motor, try swapping motors. Turn on controller module power and try again.
A motor cable malfunction could cause this problem. Turn off controller module power. Should you have a spare motor cable, try swapping motor cables. Turn on controller module power and try again.
Improper current input could cause this problem, if using Auto Mode. Switch to Manual Mode and try again.
Slope Multiplier Thumbwheel setting could cause this problem. Ensure the Slope Multiplier Thumbwheel is set to 010 or greater.
Power is on, motor spindle fails to rotate or rotates slower than it should and motor makes a sound that fluctuates. A pump module or motor malfunction could cause this problem. Turn off controller module power. Remove pump module from motor. Turn on controller module power and try again. If motor runs without the pump, then clean the pump module.
Low line Voltage Measure line voltage, correct if required.

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
No power, nothing works AC power may be absent or inadequate. Unit not plugged in. Ensure AC power cord is plugged into a properly grounded three-prong outlet capable of supplying the voltage listed in the Title Page section of this manual.
Fuse is blown. Unplug main power cord from outlet. Remove fuse from rear panel fuse holder. Test fuse. Install good fuse in rear panel fuse holder.
AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
Power is on, pump fails to rotate and actuator is silent. A bad actuator cable connection could cause this problem. Turn off controller module power. Disconnect actuator cable from actuator and from controller. Re-connect cable ensuring that the keyways are aligned and that the connectors are locked into place. Turn on controller module power and try again.
An actuator malfunction could cause this problem. Turn off controller module power. Should you have a spare actuator, try swapping. Turn on controller module power and try again.
An actuator cable malfunction could cause this problem. Turn off controller module power. Should you have a spare actuator cable, try swapping motor cables. Turn on controller module power and try again.
A channel card is disabled Toggle Enable Switch to enable card.
Input/Output cable bad Disconnect I/O cable, trigger system via serial serial interface using command b.
Power is on, motor spindle fails to rotate or rotates slower than it should and motor makes a sound that fluctuates. A pump module or actuator malfunction could cause this problem. Turn off controller module power. Remove pump module from actuator. Turn on controller module power and try again. If actuator runs without the pump, then clean the pump module.
Low line Voltage Measure line voltage, correct if required.
Channel fuse is blown Unplug main power cord from outlet. Remove fuse from holder. Replace if bad
Controller circuit breaker tripped Reset circuit breaker on back of controller
Channel Fault light illuminated Controller circuit breaker tripped Reset circuit breaker on back of controller
Blown fuse Unplug main power cord from outlet. Remove fuse from holder. Replace if bad.
Actuator cable malfunction could cause this problem. Turn off controller module power. Disconnect actuator cable from actuator and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways arealigned and that the connectors are locked into place. Turn on controller module power and try again.
A pump module or actuator malfunction could cause this problem. Turn off controller module power. Remove pump module from actuator . Turn on controller module power and try again. If actuator runs without the pump, then clean the pump module.
Channel card malfunction Please contact IVEK.
Continuous Meter Mode will not work. Continuous Meter Mode command, 99m5" not present. Enter 99m5" followed by carriage return via serial interface port.
Trigger input not present Check Input/Output (I/O) cable and triggering device

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
No power, nothing works AC power may be absent or inadequate. Unit not plugged in. Ensure AC power cord is plugged into a properly grounded three-prong outlet capable of supplying the voltage listed in the Title Page section of this manual.
Fuse is blown. Unplug main power cord from outlet. Remove fuse from rear panel fuse holder. Test fuse. Install good fuse in rear panel fuse holder.
AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
Power is on, motor spindle fails to rotate, and motor is silent. A bad motor cable connection could cause this problem. Turn off controller module power. Disconnect motor cable from motor and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways are aligned and that the connectors are locked into place. Turn on controller module power and try again.
A motor malfunction could cause this problem. Turn off controller module power. Should you have a spare motor, try swapping motors. Turn on controller module power and try again.
A motor cable malfunction could cause this problem Turn off controller module power. Should you have a spare motor cable, try swapping motor cables. Turn on controller module power and try again.
Possible remote trigger problem. Remove remote triggering device and try again.
Power is on, motor spindle fails to rotate or rotates slower than it should and motor makes a sound that fluctuates. A pump module or motor malfunction could cause this problem. Turn off controller module power. Remove pump module from motor. Turn on controller module power and try again. If motor runs without the pump, then clean the pump module.
Low line Voltage Measure line voltage, correct if required.
The Volume Strokes push-wheel is set to 000". Change the setting to a value other than 000".
The Rate pushwheel is set to 000". Change the setting to 250".

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
No power, nothing works. AC power may be absent or inadequate. Unit not plugged in. Ensure AC power cord is plugged into a properly grounded three-prong outlet capable of supplying the voltage listed in the Title Page section of this manual.
Fuse is blown. Unplug main power cord from outlet. Remove fuse from rear panel fuse holder. Test fuse. Install good fuse in rear panel fuse holder.
AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
Power is on, motor spindle fails to rotate, and motor is silent. A bad motor cable connection could cause this problem. Turn off controller module power. Disconnect motor cable from motor and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways are aligned and that the connectors are locked into place. Turn on controller module power and try again.
A motor malfunction could cause this problem. Turn off controller module power. Should you have a spare motor, try swapping motors. Turn on controller module power and try again. see note below in reference to Drawback Mode.
A motor cable malfunction could cause this problem. Turn off controller module power. Should you have a spare motor cable, try swapping motor cables. Turn on controller module power and try again.
Power is on, motor spindle fails to rotate or rotates slower than it should and motor makes a sound that fluctuates. Possible remote trigger problem. Remove remote triggering device and try again.
A pump module or motor malfunction could cause this problem. Turn off controller module power. Remove pump module from motor. Turn on controller module power and try again. If motor runs without the pump, then clean the pump module.
Low line Voltage Measure line voltage, correct if required.
The Volume Strokes push-wheel is set to 000". Change the setting to a value other than 000".
The Rate pushwheel is set to 000". Change the settings to 250".

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
No power, nothing works. AC power may be absent or inadequate. Unit not plugged in. Ensure AC power cord is plugged into a properly grounded three-prong outlet capable of supplying the voltage listed in the Title Page section of this manual.
Fuse is blown. Unplug main power cord from outlet. Remove fuse from rear panel fuse holder. Test fuse. Install good fuse in rear panel fuse holder.
AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
Power is on, motor spindle fails to rotate, and motor is silent. AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
A bad motor cable connection could cause this problem. Turn off controller module power. Disconnect motor cable from motor and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways are aligned and that the connectors are locked into place. Turn on controller module power and try again.
A motor malfunction could cause this problem. Turn off controller module power. Should you have a spare motor, try swapping motors. Turn on controller module power and try again.
A motor cable malfunction could cause this problem. Turn off controller module power. Should you have a spare motor cable, try swapping motor cables. Turn on controller module power and try again.
Power is on, motor spindle fails to rotate or rotates slower than it should and motor makes a sound that fluctuates. A pump module or motor malfunction could cause this problem. Turn off controller module power. Remove pump module from motor. Turn on controller module power and try again. If motor runs without the pump, then clean the pump module.
A bad motor cable connection could cause this problem. Turn off controller module power. Disconnect motor cable from motor and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways are aligned and that the connectors are locked into place. Turn on controller module power and try again.
Low line Voltage Measure line voltage, correct if required.
The Volume Strokes push-wheel is set to 000". Change the setting to a value other than 000".
The Rate pushwheel is set to 000". Change the setting to 250".
Motor Fails to pull fluid back when in Drawback Mode. Motor actually not running in reverse. Increase Volume Thumbwheel to 1 or more. Be certain Drawback switch is in Drawback position.

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
No power, nothing works. AC power may be absent or inadequate. Unit not plugged in. Ensure AC power cord is plugged into a properly grounded three-prong outlet capable of supplying the voltage listed in the Title Page section of this manual.
Fuse is blown. Unplug main power cord from outlet. Remove fuse from rear panel fuse holder. Test fuse. Install good fuse in rear panel fuse holder.
AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
Power is on, motor spindle fails to rotate, and motor is silent. AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
A bad motor cable connection could cause this problem. Turn off controller module power. Disconnect motor cable from motor and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways are aligned and that the connectors are locked into place. Turn on controller module power and try again.
A motor malfunction could cause this problem. Turn off controller module power. Should you have a spare motor, try swapping motors. Turn on controller module power and try again.
A motor cable malfunction could cause this problem. Turn off controller module power. Should you have a spare motor cable, try swapping motor cables. Turn on controller module power and try again.
Power is on, motor spindle fails to rotate or rotates slower than it should and motor makes a sound that fluctuates. A pump module or motor malfunction could cause this problem. Turn off controller module power. Remove pump module from motor. Turn on controller module power and try again. If motor runs without the pump, then clean the pump module.
A bad motor cable connection could cause this problem. Turn off controller module power. Disconnect motor cable from motor and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways are aligned and that the connectors are locked into place. Turn on controller module power and try again.
Low line Voltage Measure line voltage, correct if required.
The Volume Strokes push-wheel is set to 000". Change the setting to a value other than 000".
The Rate pushwheel is set to 000". Change the setting to 250".

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
No power, nothing works. AC power may be absent or inadequate. Unit not plugged in. Ensure AC power cord is plugged into a properly grounded three-prong outlet capable of supplying the voltage listed in the Title Page section of this manual.
Fuse is blown. Unplug main power cord from outlet. Remove fuse from rear panel fuse holder. Test fuse. Install good fuse in rear panel fuse holder.
AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
Power is on, motor spindle fails to rotate, and motor is silent. AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
A bad motor cable connection could cause this problem. Turn off controller module power. Disconnect motor cable from motor and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways are aligned and that the connectors are locked into place. Turn on controller module power and try again.
A motor malfunction could cause this problem. Turn off controller module power. Should you have a spare motor, try swapping motors. Turn on controller module power and try again.
A motor cable malfunction could cause this problem. Turn off controller module power. Should you have a spare motor cable, try swapping motor cables. Turn on controller module power and try again.
Power is on, motor spindle fails to rotate or rotates slower than it should and motor makes a sound that fluctuates. A pump module or motor malfunction could cause this problem. Turn off controller module power. Remove pump module from motor. Turn on controller module power and try again. If motor runs without the pump, then clean the pump module.
A bad motor cable connection could cause this problem. Turn off controller module power. Disconnect motor cable from motor and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways are aligned and that the connectors are locked into place. Turn on controller module power and try again.
Low line Voltage Measure line voltage, correct if required.
The Volume Strokes push-wheel is set to 000". Change the setting to a value other than 000".
The Rate pushwheel is set to 000". Change the setting to 250".

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
Power is on, Controller Module accepts trigger, motor spindle fails to rotate and motor makes a sound that fluctuates in tone.* This condition does not harm the system. Motor spindle binding. Turn off controller power. Remove Pump Modules from Motor/Base Module. Inspect and verify the Pump Module pistons are moving freely. Turn on Controller Module and try again. If the motor operates correctly, the Pump Module may need to be cleaned or serviced.
Power is on, Controller Module accepts a trigger (START indicator illuminates, STOP indicator does not), motor spindle fails to rotate, and motor is silent. A motor malfunction can cause this problem. Turn off Controller Module power. Check to ensure Motor/Base Module is properly connected to Controller Module. Turn on Controller Module and try again. If the motor operates incorrectly, servicing may be necessary to the motor or the controller. Return complete Controller, Motor/ Base and Pump Modules to IVEK Corporation for repair.
Controller Module power on and operational, but will not actuate Motor/Base Module. Controller cable Check connection of cable between Controller Module and Motor/Base Module. Inspect and replace faulty cable.
Motor turns 3 times, stalls and repeats. Sensor problem Contact IVEK technical support for assistance.
Thumb wheel does not operate smoothly. Dirt in gear tooth Clean
Low volume noise during operation. Sensor End Shield vibrating. Tighten end shield.

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
Power is on, Controller Module accepts trigger, motor spindle fails to rotate and motor makes a sound that fluctuates in tone.* This condition does not harm the system. Pump Module piston is binding. Turn off Controller Module power. Do not try to free the Pump Module by changing the displacement. (See Caution in section 5.2.2) Remove Pump Module from Motor/Base Module. Turn on Controller Module and try again. If the motor operates correctly, the Pump Module may need cleaning/servicing.**
Controller Module power on and operational, but will not actuate Motor/Base Module. Controller cable Turn off Controller Module power. Remove, inspect and reconnect cable between Controller Module and Motor/Base Module. Inspect for faulty cable.
Power is on, Controller Module accepts a trigger (START indicator illuminates, STOP indicator does not), motor spindle fails to rotate, and motor is silent. Improper motor cable connection or motor malfunction. Turn off Controller Module power. Remove, inspect and reconnect cable between Controller and Motor/Base Modules. Turn on Controller Module and try again. If the motor operates incorrectly, servicing may be necessary to the motor or the controller. Return complete Controller, Motor/Base and Pump Modules to IVEK Corporation for repair.
Motor turns 3 times, stalls and repeats. Sensor problem Contact IVEK technical support for assistance.
Displacement adjustment thumbscrew does not operate smoothly. Dirt on threads Clean.
Threads damaged Contact IVEK technical support for assistance.
Pump Module mounting plate does not pivot. Lock washers installed and shoulder screw too tight or shoulder side plate damaged. Remove washers and loosen screw; if already loose, inspect side platefor damage, replace if necessary.
** If the Pump Module piston is seized, restricting its removal, refer to the instructions provided with the optional Pump Extractor Tool Kit - IVEK Part # 072087.

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
Controller Module power on and operational, but will not activate Actuator Module. I/O Cable Check connection of cable between Controller Module and Actuator Module. Inspect and repair faulty cable.
System is running but not pumping fluid. Damaged Coupling If piston not referenced to output,check coupling for damage.
Loose fitting Tighten fitting
Rotary or Linear Sensor Fault Piston seized in cylinder Remove and soak.

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
Air evident in discharge line. Loose tubing connection at intake fitting. Tighten fittings.
Loose/Damaged intake port seals. Tighten/replace port seals.
Loose/Damaged End Cap Seals or damaged intake fitting. Clean, inspect and replace if necessary.
Cavitation. Increase inlet tubing size, reduce Pump Module speed or increase feed pressure.
Piston seizing Liquid polymerized or particulate materials entrapped between piston and cylinder. Disassemble Pump Module and clean all wetted surfaces.
Fluid leaks Improperly seated or worn end cap seal. Disassemble Pump Module and clean all wetted surfaces, inspect components and replace if necessary.
Loose/damaged output port seal, output tubing, or damaged fitting. Inspect, tighten or replace if necessary.
Fluid not moving in tubing when priming dispensing or metering. Pump Module not properly oriented on Actuator Module. Make certain that port holes in Pump Module line up with flat on piston.

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
No power, nothing works. AC power may be absent or inadequate. Unit not plugged in. Ensure AC power cord is plugged into a properly grounded three-prong outlet capable of supplying the voltage listed in the Title Page section of this manual.
Fuse is blown. Unplug main power cord from outlet. Remove fuse from rear panel fuse holder. Test fuse. Install good fuse in rear panel fuse holder.
AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
Power is on, motor spindle fails to rotate, and motor is silent. AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
A bad motor cable connection could cause this problem. Turn off controller module power. Disconnect motor cable from motor and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways are aligned and that the connectors are locked into place. Turn on controller module power and try again.
A motor malfunction could cause this problem. Turn off controller module power. Should you have a spare motor, try swapping motors. Turn on controller module power and try again.
A motor cable malfunction could cause this problem. Turn off controller module power. Should you have a spare motor cable, try swapping motor cables. Turn on controller module power and try again.
Improper current input could cause this problem, if using Auto Mode. Switch to Manual Mode and try again.
Slope Multiplier Thumbwheel setting could cause this problem. Ensure the Slope Multiplier Thumbwheel is set to 010 or greater.
Set Point is at process level. Re-adjust set point or toggle Manual switch or toggle Direct/Inverse switch.
Power is on, motor spindle fails to rotate or rotates slower than it should and motor makes a sound that fluctuates. A pump module or motor malfunction could cause this problem. Turn off controller module power. Remove pump module from motor. Turn on controller module power and try again. If motor runs without the pump, then clean the pump module.
A bad motor cable connection could cause this problem. Turn off controller module power. Disconnect motor cable from motor and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways are aligned and that the connectors are locked into place. Turn on controller module power and try again.
Low line Voltage Measure line voltage, correct if required.

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
Air evident in discharge line. Loose/Damaged Fitting Tighten/replace fittings.
Loose/Damaged End Cap Seals Clean, inspect and replace if necessary.
Cavitation Increase inlet tubing size or reduce Pump Module speed.
Piston seizing Particulate materials entrapped between piston and cylinder. Disassemble Pump Module and clean all wetted surfaces.
Fluid leaks Improper seated or worn end cap retainer, sight glass, end cap or O-ring. Disassemble Pump Module and clean all wetted surfaces, inspect components and replace if necessary.
Loose/damaged fitting or tubing. Inspect and replace if necessary.
Fluid not moving in tubing when priming, dispensing or metering. Pump Module not properly oriented on Actuator Module. Make certain that port holes in Pump Module line up with flat on piston.
Fluid syphoning when Pump Module is inactive. Loose Seals Remove, inspect for scratches or damage,replace if necessary
High input/output pressure differential Reduce input or output pressure
Coupling position has moved causing port communication. Remove end cap, actuate piston forward, measure the space between the end of the piston and the end of the cylinder. If greater than 0.020, call IVEK Technical Support
Tubing Adaptor fitting(s) are loose Tighten fittings

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
Air evident in discharge line. Loose/Damaged Ferrules. Tighten/replace ferrules.
Loose or damaged intake tubing. Tighten/replace intake tubing.
Loose/Damaged End Cap Seals. Clean, inspect and replace if necessary.
Cavitation Increase feed pressure, inlet tubing size or reduce Pump Module speed.
Piston seizing Particulate materials entrapped between piston and cylinder or liquid has polymerized. Disassemble Pump Module and clean all wetted surfaces.
Fluid leaks Improperly seated or worn end cap retainer, sight glass, end cap or O-ring. Disassemble Pump Module and clean all wetted surfaces, inspect components and replace if necessary.
Loose/damaged ferrule or tubing. Inspect and replace ferrule or tubing if necessary.

If none of the above solves solves the problem, contact IVEK technical support for assistance.

Problem Probable Cause Possible Solution
No power, nothing works. AC power may be absent or inadequate. Unit not plugged in. Ensure AC power cord is plugged into a properly grounded three-prong outlet capable of supplying the voltage listed in the Title Page section of this manual.
Fuse is blown. Unplug main power cord from outlet. Remove fuse from rear panel fuse holder. Test fuse. Install good fuse in rear panel fuse holder.
AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
Power is on, motor spindle fails to rotate, and motor is silent. AC Circuit Breaker is tripped. Check or reset breaker for AC power receptacle.
A bad motor cable connection could cause this problem. Turn off controller module power. Disconnect motor cable from motor and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways are aligned and that the connectors are locked into place. Turn on controller module power and try again.
A motor malfunction could cause this problem. Turn off controller module power. Should you have a spare motor, try swapping motors. Turn on controller module power and try again.
A motor cable malfunction could cause this problem. Turn off controller module power. Should you have a spare motor cable, try swapping motor cables. Turn on controller module power and try again.
A channel card is disabled Toggle Enable Switch to enable card.
Input/Output cable bad Disconnect I/O cable, trigger system via serial serial interface using command b.
Power is on, motor spindle fails to rotate or rotates slower than it should and motor makes a sound that fluctuates. A pump module or motor malfunction could cause this problem. Turn off controller module power. Remove pump module from motor. Turn on controller module power and try again. If motor runs without the pump, then clean the pump module.
Low line Voltage Measure line voltage, correct if required.
Channel fuse is blown Unplug main power cord from outlet. Remove fuse from holder. Replace if bad.
Controller circuit breaker tripped Reset circuit breaker on back of controller
Channel Fault light illuminated Controller circuit breaker tripped Reset circuit breaker on back of controller
Blown fuse Unplug main power cord from outlet. Remove fuse from holder. Replace if bad.
Motor cable malfunction could cause this problem. Turn off controller module power. Disconnect motor cable from motor and from controller. Re-connect motor cable to motor and to controller, ensuring that the keyways arealigned and that the connectors are locked into place. Turn on controller module power and try again.
A pump module or motor malfunction could cause this problem. Turn off controller module power. Remove pump module from motor. Turn on controller module power and try again. If motor runs without the pump, then clean the pump module.
Channel card malfunction Please contact IVEK.
NOTE: All faults must be cleared by using command c followed by command f to re-home motor.

If none of the above solves solves the problem, contact IVEK technical support for assistance.