Manitowoc S600M, Service Manual

Page: 64 / 103

Electrical System Section 6
6-24
Part Number 80-1630-3
Problem: Water Will Not Run Into The Sump Trough
During The Freeze Cycle
Step 1 Verify water is supplied to the ice machine, and
then start a new freeze sequence by moving the ICE/
OFF/CLEAN toggle switch to OFF then back to ICE.
Step 2 Wait until the freeze cycle starts (approximately
45 seconds, the freeze cycle starts when the
compressor energizes).
Step 3 Disconnect the water level probe from the water
level probe terminal on the control board.
Step 3
Important
This restart must be done prior to performing
diagnostic procedures. This assures the ice machine
is not in a freeze cycle water inlet valve safety shut-
off mode. You must complete the entire diagnostic
procedure within 6 minutes of starting.
Important
For the test to work properly you must wait until the
freeze cycle starts, prior to disconnecting the water
level probe. If you restart the test you must
reconnect the water level probe, restart the ice
machine, (step 1) and then disconnect the water
level probe after the compressor starts
.
Step 3 Disconnect water level probe from control board terminal
Is water flowing into
the water trough?
The Water Level
Light is:
The Water Inlet Valve
Solenoid Coil is:
Cause
YES OFF Energized The water level probe is causing the problem.
Clean or replace the water level probe.
NO OFF Energized The water inlet valve is causing the problem.
NO ON OR OFF De-Energized The control board is causing the problem.
SV3135
DISCONNECT WATER
LEVEL PROBE FROM
CONTROL BOARD
TERMINAL
GREEN WATER LEVEL LIGHT