- 71 -
Problems | Symptom | Causes | Checks | Measures | Remarks |
|
|
|
|
|
|
Defective | Buzzer rings | Trouble mode indication. | Check trouble diagnosis function. | Repair troubles | Refer to mode |
display button. | but key does |
|
|
| indication in |
| not sense even |
|
|
| function |
| button is |
|
|
| explanations. |
| pressed. |
|
|
|
|
|
|
|
|
|
|
Door Buzzer | Buzzer | Defective connecting lead wire from | Check lead wire associated with door | Repair lead wire. | Check model |
| continuously | main PCB to door switch. | switch. |
| with dispenser. |
|
|
|
|
|
|
| rings or door | Defective freezer compartment door | Refer to door switch in parts repair | Replace Freezer |
|
| opening alarm | switch parts. | guide. | compartment door |
|
| does not work. |
|
| switch. |
|
|
|
|
|
|
|
Bad water/ice | Ice and water | Defective connecting lead wire from | Check Lead Wire associated with lever | Repair lead wire. |
|
dispenser. | are not | Main PCB to lever switch. | switch with a tester. |
|
|
|
|
|
|
|
|
| dispensed. | Defective lever switch parts | Refer to door switch in parts repair guide. | Replace lever switch. |
|
|
|
|
|
|
|
|
| Defective photo coupler IC parts. | Check voltage change at photo coupler | Replace photo |
|
|
|
| output terminals with lever switch | coupler IC or PCB. |
|
|
|
| pressed. It is OK if voltage change is |
|
|
|
|
| between 0V - 5V. |
|
|
|
|
|
|
|
|
|
| Defective relay associated with ice | Check relay (RY4, RY5, RY12) | Replace defective |
|
|
| dispense (geared motor, cube and | with a tester. | relay. |
|
|
| dispenser solenoid). |
|
|
|
|
|
|
|
|
|
|
| Defective parts associated with ice | Check resistance of parts with a tester. | Replace defective |
|
|
| dispense (geared motor, cube and |
| parts. |
|
|
| dispenser solenoid). |
|
|
|
|
|
|
|
|
|
|
| Defective relay associated with water | Check relay (RY7) with a tester | Replace defective |
|
|
| dispense. |
| relay. |
|
|
|
|
|
|
|
|
| Defective parts associated with water | Check resistance of parts with a tester. | Replace defective |
|
|
| dispenser. |
| parts. |
|
|
|
|
|
|
|
TROUBLE DIAGNOSIS
