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Damper Open
Damper Closed
Note: After installing the damper shaft, rotate the
freezer temperature control knob and check that the
damper is open in knob position #1 and is closed in
knob position #9.
Main Control Board
Model PFSF2
The main control board is located in a recess in
the back of the refrigerator, above the machine
compartment, (See Component Locator Views.) It is
attached to the recess with 4 compression tabs. To
access the board, it is necessary to remove the nine
1/4-in Phillips-head screws and the cover from the
recess.
Model GBSC0
The main control board is located inside the control
housing, (See Component Locator Views.) The board
is covered with a foil shield and attached to the
housing with 3 Phillips-head screws. To access the
main control board, it is necessary to remove the
control housing. (See Control Housing.)
Single-Speed Compressor
The compressor is a reciprocating type. Refer to
the mini-manual for the BTU/hour rating and the
compressor capacity test specifi cation.
To verify that the compressor is running:
WARNING: During normal operation, the single-
speed compressor may be hot. Use caution to
avoid injury and wear Kevlar
®
gloves or equivalent
protection.
Disconnect power from the unit. Wait 3 to 5 minutes
for pressure to equalize. Place a hand on the
chassis, near the compressor. Reconnect power and
feel for a vibration when the compressor tries to
start.
Note: The single-speed compressor will start right
away if pressure is equal.
A ¼-in. O.D. copper process tube is provided for
access to the low-pressure side of the refrigeration
system.
Refer to the compressor replacement instructions
included with the replacement compressor.
Evacuate and recharge the system using currently
accepted procedures. (See
Evacuation and Charging
Procedure.)