Allen-Bradley PowerFlex 700H Service Manual

1-8 Troubleshooting and Error Codes
Over-Temperature Faults
Use this procedure to troubleshoot drive over-temperature faults (14 - Inv
Otemp Pend and 15 - Inv Otemp Trip in 700S or 8 - Heatsink OvrTemp and
9 - Trnsistr OvrTemp in 700H):
Check Surrounding
Air Temperature
Temperature
Exceeds
Specification?
Provide
Additional Airflow
or Air Conditioning
Contact
Allen-Bradley
Drives
Technical
Support
Ye s
No
Ye s
No
Ye s
No
No
Ye s
No
Ye s
No
Ye s
Ye s
No
Current
Exceeds
Specification?
Frequency Too
High for Lead Length
and Surrounding
Te mp?
Proper Space
At Inlet?
Power Voltage
Equals Bus
Voltage?
Connection
Good?
Output Equals
50 Hz / 220V rms?
Fan Motor has
Open or Short
Circuits?
Check Motor
Current and Load
Levels
Check PWM
Frequency
Check Fans and
Air Flow
Through the Drive
Check Power
Voltage on Fan
Inverters
Check Connection
Between ASIC
Board and Fan
Inverters
Check Fan
Inverter Outputs
on X1, X4 and X5
Check Fan Motors
for Short and
Open Circuits
Reduce Load or
Procure a Drive
With a Higher
Rating
Lower PWM
Frequency
Remedy
Spacing at
Inlet
Check Fan Inverter
Fuses (F1 and F2)
Repair
Connection
Replace
Fan Inverter(s)
Replace
Fan Motor(s)
Airlflow
Blockages?
Ye s
Remove
Air Flow
Blockages
Ye s
No
No
Fans
Running
Properly?
No
Ye s

Allen-Bradley PowerFlex 700H Specifications

General

Brand	Allen-Bradley
Model	PowerFlex 700H
Category	Controller
Language	English