138 Part Number: 000015431 Rev01 5/19
DIAGNOSTICS
1. Verify bin switch, curtain/damper and curtain/damper
magnet are in place and navigate to inputs.
• Menu/Service/Diagnostics/Inputs
2. Open and close the ice damper(s) repeatedly while
observing the display and control board lights.
A. Curtain switch cycles open/closed - The display
indicates open/closed and the control board light
energizes/de-energizes - Bin switch is operating
normally
B. Curtain switch remains closed, the display
indicates closed and control board light remains
on - Go to step 3
C. Curtain switch remains open, display indicates
open and control board light remains off - Go to
step 3
3. Disconnect bin switch wire from control board.
4. Jumper control board bin switch wire to ground, press
the power button and observe the display and control
board lights.
A. Curtain switch closes, display indicates closed,
control board light energizes and the ice machine
starts - Replace bin switch
B. Curtain switch remains open, display indicates
open and the control board light is off - Verify
procedure was correctly followed - Replace
control board
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