
 
 
PROCEDURE 1
 
 
 
 
 
 
 
 
 
 
 
 
 
CHECK AND TEST 1
 
 
DIAGNOSIS 1
 
 
PROCEDURE 2
 
Use metal rod with tip
head to smash foam in
drain pipe.
 
Blow hot air to melt the
ice, and then add a heatconducting
wire between
defrost heater and drain
hole.
 
 
 
 
CHECK AND TEST 2
 
 
DIAGNOSIS 2
 

