Service Diagnosis
Problem
Probable Cause
Possible Solution
Compressor will not run, no ice in
bin
Located in cold area
Move to warmer area (above
55
o
F.)
Power disconnected
Connect power
Defective compressor start relay
Replace relay
Service switch in OFF position
Move switch to ON
Bin thermostat contacts open
Replace bin thermostat
Defective compressor motor
Replace compressor
Control knob in Clean position
Move to ON
Compressor runs, but no ice in bin Water supply off
Restore water supply
Inlet water valve does not work
Check valve, replace if needed
Evaporator thermostat out of
calibration
Re calibrate or replace
Hot gas solenoid stuck "open"
Repair or replace
Inoperative refrigeration system
Repair sealed system
Excessive use of cubes
Advise customer
Cutter grid circuit open
Check circuit
Incorrect wiring
Check against wiring diagram
Water inlet tube from valve not
inserted into water pan
Insert tube into water pan
Compressor runs continuously,
bin full of ice
Bin thermostat out of calibration
Re calibrate or replace
Bin thermostat contacts stuck shut Replace thermostat
Incorrect wiring
Check against wiring diagram
Low ice yield
Located in cold area
Move to warmer area (above
55
o
F.)
Water falling on cubes
Check water system components
and see that they are in the
proper place
Bin thermostat out of calibration
Re calibrate or replace
Evaporator thermostat set to
produce cubes too thin or too thick
Adjust to 1/2" thick
Hot gas solenoid stuck partially
open
Replace solenoid valve
Insufficient refrigeration
Check and repair sealed system
Not enough water being
circulated over the evaporator
Check for restriction in water
lines. Check water pump and
motor.
CSWE1
December 1995
Page 11
