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- Refer to blueprints:
- Main electrical panel diagram
- Tumbler junction box wiring diagram
- Rear panel controls wiring diagram
- Re-test
0 UNLOAD 1 Selection
e) PROBABLE CAUSES;
1. Rear panel disconnect plug
2. Defective switch
3. Wiring back to main electrical enclosure
f) POSSIBLE SOLUTIONS;
1. If the O UNLOAD 1 switch doesn’t respond when selected:
- Verify that the rear panel controls disconnect plug is indeed connected. This disconnect plug
allows for the removal of the rear control panel for dryer servicing.
2. Defective O UNLOAD 1 Selector Switch
- Shut power off at the main breaker and remove the rear panel and check switches using an OHM
meter; replace if defective.
3. Wiring back to the main electrical enclosure
- With the control voltage “ON” Front Panel “GREEN” Button
- Select “1” on the “O UNLOAD” switch located on the rear control panel. Does PLC
(Programmable Logic Controller) IN PIN 19 = UNLOAD, REAR PANEL light?
- If “YES,” refer to section 3a
- If “NO”, refer to section 3b
3a) The L.E.D. (light emitting diode) “ON” on the PLC (Programmable Logic Controller) indicates are
also illuminating when the O UNLOAD 1 selector switch is on “1.”
PLC OUT PIN 7 = UNLOAD DOOR (OPEN)
PLC OUT PIN 10 = FRONT UP
- If output indicators are functional, however the UNLOAD DOORS of FRONT UP commands
are not executed correctly: