Baldor 29M Installation And Operating Manual page 70

Section 1
General Information
INDICATION
External Trip Motor ventilation insufficient.
Motor draws excessive current.
No thermostat connected.
Poor thermostat connections.
External trip parameter incorrect.
Following ERR Speed proportional gain set too low. Increase Speed PROP Gain parameter value.
Current limit set too low.
ACCEL/DECEL time too short.
Excessive load.
INT Over-Temp Motor Overloaded.
Ambient temperature too high.
Invalid Base ID Control does not recognize HP and
Voltage configuration.
Logic Supply FLT Power supply malfunctioned.
Lost User Data Battery backed memory failure.
Low INIT Bus V Improper AC line voltage.
Memory Error EPROM memory fault occurred.
P Reset Power was cycled before Bus
voltage reached 0VDC.
MN1230
Table 5-5 Troubleshooting
POSSIBLE CAUSE
Continued
CORRECTIVE ACTION
Check external blower for operation.
Check motor for overloading.
Verify proper sizing of control and motor.
Connect thermostat.
Verify connection of all external trip circuits used with thermostat.
Disable thermostat input at J1B-9 (External Trip Input).
Check thermostat connections.
Verify connection of external trip circuit at J1B-9.
Set external trip parameter to "OFF" if no connection made
at J1B-9.
Increase Current Limit parameter value.
Increase ACCEL/DECEL parameter time
Verify proper sizing of control and motor.
Correct motor loading.
Verify proper sizing of control and motor.
Relocate control to cooler operating area.
Add cooling fans or air conditioner to control cabinet.
Press "RESET" key on keypad. If fault remains access "Diagnostic Info"
and compare reported ID number with Table 5-6. If different, call Baldor.
Replace logic power supply.
Parameter data was erased. Disconnect power to control and
apply power (cycle power). Enter all parameters.
Cycle power. If problem persists, contact your local Baldor office.
Disconnect DB resistor and retry test.
Check input AC voltage level.
Press "RESET" key on keypad. If fault remains, contact your local Baldor
office.
Press "RESET" key on keypad.
Disconnect power and allow at least 5 minutes for
Bus capacitors to discharge before applying power.
If fault remains, contact your local Baldor office.
Troubleshooting 5-7