8.1 RELIABILITY FAULTS:


BUTTON ON DISPLAY

DOESN'T WORK

CHECK AND TEST 1

Step 1

Disassemble the compressor room cover.

Step 2

Unscrew the screw of PCB cover.

Step 3

Remove the PCB cover.

Step 4

Push the PCB box out to disassemble the PCB along with the PCB box.

Attention: do not damage the PCB when pushing the PCB control panel box out.

Step 5

Check if the PCB board and the screws of the PCB are installed well or not.

DIAGNOSIS 1

PROCEDURE 1

Step 1

Prize off the buckle and disconnect the terminal.

Step 2

Replace the PCB board as well as the control panel box.

Reverse above steps on page to install a new PCB and control panel box.

DIAGNOSIS 2

GO BACK TO FAULT LIST RELIABILITY