8.7 RELIABILITY FAULT LIST:

NOISE WHEN DOOR OPENS AND CLOSE

CHECK AND TEST 1

Step 1

Check to verify whether door and shelves are
in normal position,
and whether there is abnormal friction between food packages and appliance walls.

DIAGNOSIS 1


CHECK AND TEST 2

Step 1

Listen carefully to detect whether noise comes from top hinge.

Step 2

Listen carefully to detect whether noise comes from middle hinge.

Step 3

Listen carefully to detect whether noise comes from bottom hinge.

Step 4

Use a small brush to add Vaseline to hinge pins and hinge holes.
Open and close door several times.

DIAGNOSIS 2