Master Bilt WCC-23SR, Service Manual

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19
ELECTRONIC CONTROLLER INSTRUCTION
No Function
Controlled
Description
Part
10 Error LED
Display
1. Press up button 5 times while pressing both down button and manual defrost
button.
Above procedure switches from normal display to error display mode.
2. If there is any error occurred, 88 LED will display the error code.
If there was no error occurred, there will be no change on the 88 LED.
3. Next error code will be displayed by pressing down button.
4. The error display mode will be changed to normal display mode in 10 seconds
after last button is pressed.
Code Content Perception Method Refrigerator operation state
F1 F-sensor - Sensor shorted - The compressor runs for 30 minutes and rests for 5 minutes.
Malfunction - Sensor disconneced - Above action will repeat, until it is repaired.
D1 D-sensor - Sensor shorted - Defrost heater will attempt to defrost.
Malfunction - Sensor disconneced - If F-sensor temp. is higher than 28.4°F then heater goes off
- Heater tums on for 20 minutes, if F-sensor is error mode too.
C1 Cycle, Comp. - When the temperature of the - Normal operation
Malfunction D-sensor is over 32°F - (Compressor is automatically turned on and off by F-sensor.)
although the compressor has
been running for 30 minutes.
F3 Defrost When the D-sensor temperature - Defrost heater will be come on for 20 minutes every time
Malfunction doesn't reach 50°F within 20 setted.
minutes. - If the D-sensor’s tempperature reach 50°F within 20 minutes,
Defrost heater will be turned off immediately.
Self - Diagnosis table