PROCEDURE 1


Step 1

Unscrew bottom
attachment.

Step 2

Unscrew top
attachment.

Step 3

Remove the plastic
cover.

Step 4

Unscrew central
attachment on left and
right side.

Step 5

Unscrew the plastic
guider.

Step 6

Hold cabinet and pull
appliance out.

CHECK AND TEST 1

Step 1

Watch the warning light
flashing on inverter box.

Note: one flash -
light is on for 0.5 second,
and then off for 0.5 second.

DIAGNOSIS 1


PROCEDURE 2

Step 1

Pull upwards to remove inverter box.

Step 2

Disconnect terminals.

Step 3

Disconnect power cord.

Reverse previous steps
to install a new inverter
box.


Step 4

Disconnect earthing wires.

DIAGNOSIS 2

PROCEDURE 3

Step 1

Discharge refrigerant. Cut off the charging tube with pliers.

Step 2

Release all refrigerant toward the exhaust vent.

Step 3

Cut off exhaust pipe
to check whether oil
is being ejected from
compressor.

Step 4

Unscrew nut of compressor.

Step 5

Install a new compressor and tighten nuts onto compressor.

Step 6

Braze the joints of
suction and exhaust
pipes.

Step 7

Re-braze a copper tube onto compressor processing tube. 

Click below link to get more details for brazing requirements, go to Annex B1

PROCEDURE 4

Step 1

Clean paint off brazed joint of drying-filter.

Step 2

Cut off drying-filter.

Step 3

Cut off capillary and shake to remove the cut end.

Step 4

Braze on a new drying-filter.

Step 5

Inject nitrogen (1.57Mpa) through quick connector into pipe for at least 3 min to blow left refrigerant away.

Step 6

Add quick connector onto processing pipe of drying-filter.

Step 7

Perform leakage test on brazed joints of drying- filter and compressor processing pipe.

Step 8

Vacuum and recharge. Click below link to get more details for vacuuming and gas-charging requirements, go to Annex B2

Step 9

Block processing pipe twice with locking pliers.

Step 10

Leave locking pliers on the second block and cut off the rest of the pipe by shaking.

Step 11

Braze the ends and remove the pliers.

DIAGNOSIS 3

GO BACK TO COMPONENT LIST