CHECK AND TEST 1
Unscrew with cross head screw driver.
Step 2Remove the mainboard cover.
Press SW101 button to start auto test.
Step 4
Use multimeter to test the voltage of output forcompressor.
DIAGNOSIS 1
PROCEDURE 1
Remove the mainboard cover.
Disconnect the terminals.
Loosen the buckle.
Reverse above steps toinstall a new board.