PP.P5G5.03.Troubleshoot
Page 14
Rev. 06/11/2003
oh2
The transistor cooling fin temperature exceeded the
allowable value. 506/P5 (105 ° C), 515/G5 (105 ° C)
OH1
Heatsnk MAX Temp
Possible Cause(s): Cooling fan(s) are not working, high ambient temperature.
Corrective Action: Check for dirt build-up on the fans, reduce the ambient temperature
around the inverter.
505
Fault Codes
Major Fault - Motor coasts to a stop, the fault is displayed on the digital
operator, and the fault relay is activated.
The inverter will stop if the digital operator is removed
when the inverter is commanded to run through the
digital operator.
OPR
Oper Disconnect
Possible Cause(s):
The operator is not attached, broken operator cable.
Corrective Action: Attach the digital operator, check the cable connected to the digital operator,
verify the program setting of parameter O2-06 for 515/G5 models and n112 for 506/P5 models.
op
506 √ 515 √
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