8.7 RELIABILITY FAULT LIST:
NOISE WHEN DOOR OPENS AND CLOSE
CHECK AND TEST 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
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