I/P Precision Variable-Speed Modular Drives Operating Manual 5-1
Cole-Parmer
Section 5
Troubleshooting
Symptom
Remedy
Unit will not turn on
If the unit is plugged into a GFCI protected circuit verify
that the circuit has not been tripped or reset the circuit.
Verify that the unit is plugged into a functioning outlet.
Verify that the power cord is firmly attached to the unit.
Verify that the fuse for the incoming voltage is not
blown (located in the slot next to the power cord).
Verify the motor is properly connected to the controller.
Check the tubing. Tubing should be snug, but not tight,
against the rollers.
Verify that the mode EXT/INT is set correctly.
Error XX is displayed on the screen
Err's 3 & 10, check pump for obstructions, all other Errs
return unit for repair.
Unit will turn on but display would
Verify that the incoming voltage meets the required
dim and pump will not spin
minimum of 90Vrms.
Unit vibrates excessively when
Check that the tubing was loaded properly.
pump is running
Troubleshooting Chart
Unit will turn on
but pump will not spin
