Warner Electric CBC-550 - Manual (Page 7)

7 Warner Electric • 800-234-3369 P-239-24
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 channel 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.
Symptom B: Channel 2 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.
Fuse too small Replace with proper fuse.
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
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.
Reorder Information
Model Part No.
CBC-500-90 6024-448-003
CBC-500-24 6024-448-002
CBC-550-90 6024-448-006
CBC-550-24 6024-448-005
CBC-500 Series Enclosure 6042-101-004
CBC-550 Series Enclosure 6006-101-007