Allen-Bradley PowerFlex 700H - Component Test Procedures; Diagnostic LED Indicators

Troubleshooting and Error Codes 1-7
No HIM Display
Use this procedure when the HIM does not function:
Perform forward
diode tests on
Rectifying Module
Rectifying
Module OK?
Replace Rectifying
Module
No
Examine Bus
Capacitors for
Charring and
Damaged Reliefs
Capacitors
OK?
Replace
Capacitors
No
No
Ye s
Ye s
No
Ye s
Measure DC Bus
Voltage
Measure Power
Supply on X4 of
DPI Circuit Board
Check DPI and
Power Supply
Connections
Replace HIM
Does HIM
Function?
DC Bus
Voltage within
Specification?
Voltage
= 12V dc?
Replace Power
Interface Board
(on 700S)
Replace Output
Power Module
(on 700H)
Ye s
Ye s
No
Check HIM
Connection
and Seating
Properly
Connected?
Reseat or
reconnect
HIM
No
Ye s