Manitowoc QF0400 Technician's Handbook page 160

Bin Level Probe Closed or Shorted
The ice machine will not start and the Bin Level light is
energized continuously.
1. Verify ice is not in contact with bin level probe.
2. Disconnect bin level probe wire from the control
board.
Control Board
Bin Level Light
Off
On
160
DISCONNECT BIN LEVEL PROBE
FROM CONTROL BOARD.
Cause
Clean bin level probe.
Replace control board.
Part Number 80-1230-9 10/10