TM 10--3510--221--24
0093 00--1
DRUM INVERTER FAULT
0093 00
THIS WORK PACKAGE COVERS:
Troubleshooting Drum Inverter Fault
INITIAL SETUP:
Maintenance Level
Materials/Parts
Unit
Tools and Special Tools
Equipment Conditions
Tool Kit, General Mechanics (Item 1, WP 0272 00)
Power must be applied at main control
Multimeter (Item 2, WP 0272 00)
enclosure (WP 0010 00).
1. Open door on inverter enclosure.
2. Observe display on drum inverter.
Does display indicate Er1, Er2, Er3, Er4, Er5, Er7, or FUS ?
YES Replace drum inverter (WP 0245 00).
NO Go to step 3.
3. Observe display on drum inverter.
Does display indicate dbH, EF, LU, OC1, OC2, OC3, OH2, OL, OLU, OU1, OU2, or OU3?
YES Go to step 6.
NO Go to step 3.
4. Observe display on drum inverter.
Does display indicate OH1 or OH3?
YES Go to step 19.
NO Go to step 5.
5. Observe display on drum inverter.
Does display indicate Er6?
YES Go to step 24.
NO Go to TYPICAL DISCRETE INPUT SIGNAL FAULT (WP 0107 00).
6. Press RESET on inverter keypad. Reinstall door on inverter enclosure.
7. Continue laundry cycle or use maintenance menu to rotate drum at TUMBLE CW, TUMBLE CCW ,
DISTRB CCW, LO EXT CCW, and HI EXT CCW (WP 0010 00).
Does another DRUM INVERTER FAULT occur?
YES Go to step 8.
NO Return to normal operation.
