TM 10--3510--221--24
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DRUM INVERTER FAULT -- Continued
0093 00
18. Check drum drive motor for shorted windings.
Are motor windings shorted?
YES Replace drive motor (WP 0257 00).
NO Replace drum inverter (WP 0245 00).
19. Check cooling fans on drum inverter.
Are fans operating?
YES Go to step 20.
NO Replace drum inverter (WP 0245 00).
20. Check cooling fan on inverter enclosure.
Is fan operating?
YES Go to step 21.
NO Press RESET on inverter keypad. Go to INVERTER ENCLOSURE FAN DOES NOT TURN
ON (WP 0099 00).
21. Check demister mesh at air inlet to inverter enclosure.
Is demister mesh dirty?
YES Press RESET on inverter keypad. Clean or replace demister mesh (WP 0111 00).
NO Go to step 22.
22. Press RESET on inverter keypad. Reinstall door on inverter enclosure.
23. Continue laundry cycle or use maintenance menu to rotate drum at ”TUMBLE CW”, ”TUMBLE CCW” ,
”DISTRB CCW”, ”LO EXT CCW”, and ”HI EXT CCW.
Does another ”DRUM INVERTER FAULT” occur?
YES Replace drum inverter (WP 0245 00).
NO Return to normal operation.
24. Press RESET on inverter keypad. Reinstall door on inverter enclosure.
NOTE
When attempting to start drum rotation main power from CB3 (drum A) or CB4 (drum B)
must be applied before drum rotation is started.
25. Continue laundry cycle or use maintenance menu to rotate drum at ”TUMBLE CW”, ”TUMBLE CCW” ,
”DISTRB CCW”, ”LO EXT CCW”, and ”HI EXT CCW.
Does another ”DRUM INVERTER FAULT” occur?
YES Replace drum inverter (WP 0245 00).
NO Return to normal operation.
END OF WORK PACKAGE
