Manitowoc I0320 Technician's Handbook page 147

WATER WILL NOT RUN INTO THE SUMP TROUGH
DURING THE FREEZE CYCLE
Step 1 Verify water is supplied to the ice machine.
Step 2 Scroll to Service/Diagnostics/Inputs and press
down arrow until Wtr Low and Wtr High are displayed.
A. Yes is displayed - Control board is receiving a
sensing water signal. Proceed to step 3.
B. No is displayed - Control board is not
receiving a sensing water signal. Proceed to
Control Board Diagnostics page 124.
Step 3 Disconnect water level probe, observe LCD
display text.
A. No is displayed - Clean the water level probe
and test interconnecting wiring.
B. Yes is displayed - Refer to Control Board
Diagnostics page 124
Part Number STH038 5/12 145