8.5 RELIABILITY FAULTS:

DOOR STOPPER IS BROKEN

CHECK AND TEST 1

Step 1

Open door to an angle of 8° from cabinet.
If the door does not close automatically, there is a problem with the door stopper.

Step 2

Check the alignment between door stopper and hinge to find out root causes.




Step 3

Check to see whether screw is screwed correctly into final position. If not this would cause misalignment between door stopper and hinge.

Step 4

Check if there are too many washers, causing misalignment between door stopper and hinge.


Step 5

Check if the door stopper is deformed and causing misalignment.

DIAGNOSIS 1



PROCEDURE 1



Step 1

Unscrew hinge cover.

Step 2

Remove the cover.

Step 3

Disconnect the terminals.


Step 4

Unscrew 3 bolts and remove the top hinge.

Step 5

Remove upper door.
Reverse steps above to reinstall the door.
Please pay attention to below points.

Step 6

Unscrew 3 bolts and remove the middle hinge.

Reverse above procedures to restore hinges and doors, however, please pay attention to below points.

CHECK AND TEST 2

Step 1

Reduce number of washers to attain proper alignment.

Step 2

If stopper is deformed, loosen screw and remove and replace the stopper, making sure to screw in properly.

DIAGNOSIS 2

After reworking, open door 8 degrees from cabinet.

PROCEDURE 2


Tip 1

Don’t forget to add washer onto hinge pin.

Tip 2

When install door onto hinge, please check the match between door- stopper and hinge.

Tip 3

Make sure gasket is attached well.

Tip 4

Make sure gaps between doors are even.

Tip 5

Check whether the gasket plate can be turned over normally when the door is opened or closed.