TROUBLESHOOTING CHART
The following table shows the various types of appliance faults:
WARNING |
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.
PROBLEM | POSSIBLE CAUSE | TEST | |
|
|
| |
No indicators or functions | No power supply. | Verify circuits RX and TX. Verify proper wire | |
connections from main board pins 12/11 & | |||
on user interface. |
| ||
| 12/12, to user interface pins 3/1 & 3/2. | ||
|
| ||
|
| Refer to wiring diagram. | |
|
| Replace the user interface. | |
|
|
| |
Indicators for set temper- | Open neutral circuit to user | Check for proper wiring and connections of | |
atures display correctly, | interface. | neutral circuit from control board (pin 12/10) | |
but dispenser light is dim |
| to user interface (pin 5/1). | |
when turned on, and ice |
|
| |
will not dispense. |
|
| |
|
|
| |
No water when dispenser | Microswitch or water valve failure. | Verify proper wire connections to microswitch | |
lever is pressed. |
| at main board pins 6/3 & 16/9. Verify water | |
|
| valve connections at main board pins 6/2 and | |
|
| 6/5. | |
|
| Refer to “Component Testing” section & “Strip | |
|
| Circuits.” | |
|
| Replace the control board. | |
|
|
| |
No ice dispensed when | Microswitch or ice motor failure. | Verify proper wire connections to microswitch | |
dispenser lever is |
| at user interface board pins 3/3 & 5/3. Verify | |
pressed. |
| ice motor connections at user interface board | |
|
| pins 5/4 and 5/5. | |
|
| Refer to “Component Testing” section & “Strip | |
|
| Circuits.” | |
|
| Replace the user interface. | |
|
|
| |
Refrigerator compartment | Burned out lamp. | Verify if the lamp is good. | |
light does not switch on | Loose wiring connections. | Verify proper operation of refrigerator com- | |
when door is opened. | Door switch failure. | partment door switch and connections. | |
|
|
| |
Freezer compartment | Burned out lamp. | Verify if the lamp is good. | |
light does not switch on | Loose wiring connections. | Verify proper operation of freezer compart- | |
when door is opened. | Door switch failure. | ment door switch and connections. | |
|
|
|
