8.4 RELIABILITY
FAULTS LIST:
NOISE WHEN DOOR OPENS
AND CLOSES
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 bottom hinge.
Step 3
Use a small brush to add
Vaseline to hinge pins
and hinge holes.
Open and close door
several times.
DIAGNOSIS 2
GO BACK TO FAULT LIST RELIABILITY