Table of Contents
Advertisement
Fault Code 3 − Bus faults. May indicate an Over-voltage, Under-voltage or
Precharge fault was detected.
Power LED
Fault LED
ON
3 blinks
Fault Code 4 − Dynamic Brake or Over-temperature faults.
Power LED
Fault LED
ON
4 Blinks
Fault Code 5 − Microprocessor faults. May indicate a Communication timeout,
incompatible front end and power boards, EEPROM or Power Base ID fault
was detected.
Power LED
Fault LED
ON
5 Blinks
a.
Press Stop to reset the control.
b.
Turn power OFF then ON (cycle power). If fault remains call Baldor.
5-3 Troubleshooting
Press Stop to reset the control. If error remains, try these steps to
correct the fault.
a. Lengthen DECEL time (P2).
b. Add external dynamic braking assemblies.
c. Correct problem with motor load.
d. Check dynamic brake hardware wiring.
e. Verify proper AC line voltage. May need step down transformer or
line reactor.
f. Check power line disturbances (sags caused by start-up of other
equipment). Monitor power line fluctuations with date and time
imprint to isolate power problem.
Press Stop to reset the control. If error remains, try these steps to
correct the fault.
a. Correct motor loading. Verify proper sizing of control, motor and
brake resistor.
b. Relocate control to a cooler operating area. Add cooling fans or air
conditioner to control cabinet.
c. Remove debris from fan and heatsink surfaces.
d. Verify fan operation. Replace fan or check fan wiring.
Cable defect or other internal problem.
Action
Action
Action
MN715P
Advertisement
Table of Contents
