7
Warner Electric • 800-234-3369
P-272A • 819-0527
System Troubleshooting
The chart below will be helpful when attempting to isolate problems which may occur in the control
system. It will also prove helpful when encountering problems during initial system start-up.
Symptom A: No output on either clutch or brake upon power-up.
Probable Cause
Solution
Improper wiring
Check wiring and correct if necessary.
No power available
Check that AC power is available to control.
Blown fuse
* See Fuse keeps blowing, Symptom C.
Faulty control
Replace control.
Symptom B: Clutch activates upon power-up.
Probable Cause
Solution
Improper wiring
Check wiring and correct if necessary.
Faulty input switching circuit
Check that input switching network is providing proper signal.
Symptom C: Fuse keeps blowing.
Probable Cause
Solution
Improper wiring
Check wiring and replace fuse.
Shorted brake/clutch coil
Check coil resistance and replace if necessary.
Ground Fault
Check coil to earth ground resistance.
Improper AC line voltage
Check line voltage and correct if necessary.
Improper magnet voltage
Check magnet voltage rating and replace with correct magnet if necessary.
Symptom D: Magnets do not appear to have enough torque.
Probable Cause
Solution
Improper OEX switch setting
Set pulse duration switch settings according to setup chart.
Magnets incorrectly sized
Verify sizing by repeating the selection process.
Symptom E: Outputs don't switch; Inputs don't switch.
Probable Cause
Solution
Incorrectly wired inputs
Check wiring and correct if necessary.
Faulty switching device
Check for proper operation and replace if defective.
Faulty control
Replace control.
Symptom F: Switching time too long or too short.
Probable Cause
Solution
Improper overlap pot setting
Set overlap according to setup chart.
Symptom G: Amber L.E.D. illuminated *
Probable Cause
Solution
Improper wiring
Check wiring and correct if necessary.
Shorted brake/clutch coil
Check coil resistance and replace if necessary.
Faulty control
Replace control.
* Turn off power to control for 10 seconds to turn off amber L.E.D.
®
DIST. AUTORIZADO
MEX (55) 53 63 23 31
QRO (442) 1 95 72 60
MTY (81) 83 54 10 18
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