DIAGNOSIS 1
PROCEDURE 1
Step 3
Unscrew 2 screws.
a. Hold the air duct from air exit and pull air duct out;
b. Disconnect the terminal of fan motor;
c. Take air duct away.
CHECK AND TEST 2
Check to see if temperature controller is
frozen.
DIAGNOSIS 2
PROCEDURE 2
Tear the foam off.
Remove the tape.
Remove the cover and melt the ice.
Check the sealing of air duct on the edges.
If sponge is not compressed, we can assert there is a sealing problem.
Add a sponge to uncompressed area
DIAGNOSIS 1