DIAGNOSIS 1
Step 1
Disassemble the compressor room cover.
Step 2
Check if the fan blade is blocked or not. If blocked, clear the sundries.
DIAGNOSIS 1
CHECK AND TEST 2
Step 1
Unplug and check if the fan motor wire and connectons are good.
DIAGNOSIS 2
PROCEDURE 1
Step 1
Cut wire off.
Step 2
Peel off the sleeves.
Step 3
Check to ensure proper wire order and connect them.
Step 4
Tin soldering
Step 5
Cover connection with electrical tape.
DIAGNOSIS 3
CHECK AND TEST 3
Step 1
Disconnect the fan motor wire connector.
Step 2
Supply 12V DC to the fan motor wire terminals to check if the fan motor works or not.
DIAGNOSIS 4
PROCEDURE 2
Step 1
Unscrew the screws of fan motor.
Step 2
Take out the fan motor along with the fan motor bracket.
Step 3
Reverse above steps to install a new fan motor.
DIAGNOSIS 5
CHECK AND TEST 4
Step 1
Unscrew the screw of PCB cover.
Step 2
Remove the PCB cover.
Step 3
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
DIAGNOSIS 6
CHECK AND TEST 5
Step 1
Power on and use multimeter to test the voltage of output for fan.
Step 2
Record the test result.
DIAGNOSIS 7
PROCEDURE 3
Step 1
Disconnect all the connectors in the PCB area.
Step 2
Replace with a new PCB board and control panel box.
Step 3
Reverse steps above to reconnect the terminals.
DIAGNOSIS 8
PROCEDURE 4
Step 1
Install back the control panel.
Step 2
Screw the screw of PCB cover.
Step 3
Screw the screw of compressor room cover.
