CASE 1:
MECHANICAL, KNOB ON TOP COVER
CHECK AND TEST 1
Step 1
Remove the screw cover.
Step 2
Unscrew.
Step 3
Push the top cover forward.
Step 4
Take away the top cover.
Step 5
Check if connecting wires for thermostat are broken or not.
DIAGNOSIS 1
CASE 2:
MECHANICAL, KNOB
ON THE FOREHEAD OF
CABINET
CASE 2:
MECHANICAL, KNOB ON THE FOREHEAD OF CABINET
CHECK AND TEST 1
Step 1
Unscrew.
Step 2
Remove the thermostat cover.
Step 3
Check if connecting wires for thermostat are broken or not.
DIAGNOSIS 1
CASE 3:
MECHANICAL, KNOB ON
COMPRESSOR NICHE
CASE 3:
MECHANICAL, KNOB ON COMPRESSOR NICHE
CHECK AND TEST 1
Step 1
Unscrew thermostat box.
Step 2
Remove thermostat box.
Step 3
Check if connecting wires for thermostat are broken or not.
DIAGNOSIS 1
CASE 4:
ELECTRONIC
CASE 4: ELECTRONIC
CHECK AND TEST 1
Step 1
Unscrew the cover of mainboard.
Step 2
Remove the mainboard box.
Step 3
Separate the mainboard box.
Step 4
Check if wires are broken or not.
DIAGNOSIS 1
PROCEDURE 1
Step 1
Cut off the wire.
Step 2
Peel off the sleeves.
Step 3
Check to ensure proper wire order and connect them.
Step 4
Tin soldering.
Step 5
Cover connecting point with electrical tape.
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