Service Diagnosis - Scotsman CSWE1 Product Manual

Service Diagnosis

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