8.9 RELIABILITY FAULTS:
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 2
Step 1
Listen carefully to detect whether noise comes
from top hinge.
Step 2
Check if hinges are
deformed or not.
DIAGNOSIS 1
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