8.8 RELIABILITY FAULT LIST:
NOISE WHEN DOORS OPEN AND CLOSE
CHECK AND TEST 1
is abnormal friction between food package and wall of the appliance.
DIAGNOSIS 1
CHECK AND TEST 1
Listen carefully to detect whether noise comes from top hinge.
Listen carefully to detect
whether noise comes
from middle hinge.
Listen carefully to detect whether noise comes from bottom hinge.
Use a small brush to add
Vaseline to hinge pins
and hinge holes.
Open and close door
several times.
DIAGNOSIS 2