TM 10--3510--221--24
0096 00--1
10 HP INVERTER FAULT
0096 00
THIS WORK PACKAGE COVERS:
Troubleshooting 10 HP 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 10 HP inverter.
Does display indicate ”Er1, Er2, Er3, Er4, Er5, Er7, or FUS” ?
YES Replace 10 HP inverter (WP 0245 00).
NO Go to step 3.
3. Observe display on 10 HP inverter.
Does display indicate ”dbH, EF, LU, OC1, OC2, OC3, OL, OLU, OU1, OU2, or OU3?
YES Go to step 6.
NO Go to step 4.
4. Observe display on 10 HP inverter.
Does display indicate ”OH1 or OH3?
YES Go to step 12.
NO Go to step 5.
5. Observe display on 10 HP inverter.
Does display indicate ”Er6 or OH2?
YES Go to step 15.
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 operate dryer blowers (WP 0010 00).
Does another ”10 HP INVERTER FAULT” occur?
YES Go to step 8.
NO Return to normal operation.
8. Position SW2 then SW1 to OFF.
