Facade Removal; Controller Replacement - Follett REF20-LB Installation, Operation And Service Manual

Facade removal

The facade is removed by loosening the top left and right Phillips screws
on the back of the facade to allow the securing clips to rotate away from
the side panels . The facade can simply pull off of the front by pulling it
out of the bayonet mounts that secure it to the upper left and right panels .
If the facade will be completely removed, the electrical plugs should be
disconnected . The ground wire should be removed from the top right
grounding screw on the cabinet box, not from the facade (Fig. 32.1) .
Note: Be sure to reinstall the ground wire .

Controller replacement

1. Turn off power to unit and unplug .
2. Disconnect electrical plugs and remove facade .
3. Remove screw securing ground screw to refrigerator cabinet
(Fig. 33.1) . Do not remove ground wire from facade .
4. Place facade face down on flat clean surface with bottom of facade
facing you, and remove four screws attaching back panel to facade .
5. Lift and rotate back panel toward you .
6. Take precautions for proper grounding to reduce risk of electrostatic
discharge (ESD) to the controller board .
7. Locate the control board standoffs (Fig. 33.2) .
8. Using Needle nose pliers, pinch the stand-off tabs and gently pull
up on the control board to release .
Note: All wiring should remain connected to the original control board at this
time .
9. Install replacement control board on existing stand-offs .
Note: Use supplied stand-offs to replace any that may have been damaged
during control board removal .
01134592 – REF20/25 LB, PH, BB
• Controller board is susceptible to electrostatic discharge. Extreme
care should be exercised by using a grounding strap when handling
and installing control board.
CAUTION
Fig. 32
Fig. 33
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1
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