KitchenAid KBFC42FS, Техническое образование

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5-2
Refer to page 4-10 for the procedure for ac-
cessing the heated flipper mullion.
1. Unplug refrigerator or disconnect power.
2. Open the left refrigerator door.
3. Set the ohmmeter to the R x 1 scale.
4. Touch the ohmmeter test leads to the
metal contacts at the top and bottom of
the mullion. The meter should indicate
between 110 & 125
Ω
.
HEATED FLIPPER MULLION
Contact
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.
WARNING
MOTORIZED AIR DOOR
Refer to pages 4-6 & 4-7 for the procedures
for accessing the refrigerator and temp-con-
trolled motorized air doors.
1. Run the diagnostics tests (see page 6-2)
and check for the proper operation of the
air door.
NOTE: A 12 volt DC square wave is supplied
to the air door in a series of short pulses. It is
not possible to obtain a reliable voltage read-
ing with a VOM. The remaining steps will al-
low you to check the resistance of the air door
motor.
2. Unplug refrigerator or disconnect power.
3. Disconnect the motorized air door wire
connector from the main harness.
4. Set the ohmmeter to the R x 10 scale.
5. Touch one of the ohmmeter test leads to
the motorized air door connector with the
yellow wire and the other test lead to the
red wire. The meter should indicate ap-
proximately 375 to 425
Ω
.
6. Touch one of the ohmmeter test leads to
the motorized air door connector with the
white wire and the other test lead to the
blue wire. The meter should indicate ap-
proximately 375 to 425
Ω
.