REF12 LB
21
Facade removal
Fig. 22
The facade is removed by loosening screws and the complete front panel
can be rotated . If the facade will be completely removed, the electrical plugs
should be disconnected .
Note: Be sure to reinstall the ground wire .
Controller replacement
CAUTION
• Controller board is susceptible to electrostatic discharge. Extreme
care should be exercised by using a grounding strap when handling
and installing control board.
1. Turn off power to unit and unplug .
2. Disconnect electrical plugs and rotate facade .
3. Remove screw securing ground screw to refrigerator cabinet . Do not remove ground wire from facade .
4. Take precautions for proper grounding to reduce risk of electrostatic discharge (ESD) to the controller
board .
5. Locate the control board stand-offs .
6. 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 .
7. 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 .
8. Removing one at a time, transfer wiring from the original control board to the replacement control board,
ensuring each wire is secured at the same location it was removed from .
9. Remount façade .
10. Reconnect ground wire to grounding location on cabinet .
11. Reconnect all electrical and probe connections .
12. Plug in unit and power on, ensuring proper operation .
Summary of Contents for REF 12-LB Series
Page 23: ...REF12 LB 23 Wiring diagram...
Page 27: ...REF12 LB 27...
