2–17Troubleshooting and Error Codes
Publication 1336 IMPACT-6.8 – November, 2002
No HIM Display
Is HIM backlight lit?
Is the drive fan running?
Is the fuse blown on the
Gate Driver Board?
Voltage present at
DC+, DC–
No HIM Display
Check fuses on incoming
power.
Reconnect the HIM.Is HIM connected properly?
Replace the HIM.
DC bus voltage present? Replace Gate Driver Board.
Replace HIM, HIM
cable, or Control Board.
No
Yes
Yes
No
Yes
No
Yes
No
Do +5, +/–15, and 12
supply voltages on the
Control Board check
out?
Yes
Replace Control Board
or Gate Driver Board.
Replace the diode bridge
and any other damaged
components.
Replace the fuse, the Gate
Driver Board, or the
complete drive, as needed.
No
Yes
Yes
No
No
Restore incoming power to
the drive.
OK
To Next Page
Loading...
