8.8 RELIABILITY FAULT LIST:

NOISE WHEN DOORS OPEN AND CLOSE

CHECK AND TEST 1

Step 1

Check if door and shelves are in normal position, and if there

is abnormal friction between food package and wall of the appliance.

DIAGNOSIS 1

CHECK AND TEST 1

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