Scotsman CS0415 - Manual (Page 18)

Service Diagnosis
July 2007
Page 18
CS0415
Service Manual
Symptom Possible Cause Probable Correction
Will not make ice. Water
reservoir is full. Evaporator is
cold with thin/partial/irregular or
no ice slab
Seeping water valve. Condenser
is hot
Replace water valve
Partial refrigerant leak or
restriction (U-shaped slab)
Check for leak/restriction and
repair or replace defective
component
Defective recirculating pump
Repair or replace the pump
motor assembly
Partially blocked water distributor Clean distributor and evaporator
Will not make ice. Water
reservoir is full. Evaporator is
warm.
Compressor is not running
Test compressor, relay and
overload
Blocked condenser or stalled fan
motor Clean condenser, repair or
replace motor
Unit is in the startup mode Wait 5 minutes and recheck
Low capacity
Room temperature below 55
o
F
(13
o
C)
Bin thermistor has unit shut off.
Advise user.
Seeping water valve. Condenser
is hot
Replace water valve
Slow or defective drain or drain
pump causing water to back up
into the bin
Repair or replace drain or drain
pump
Airflow blocked Remove blockage
Control in extended cycle mode
Go to manual test 9, if clean light
is blinking, push Clean button
once.
Too much ice in bin Defective bin thermistor Test and replace thermistor
Noise
Banging sound
The slab dropping off the plate
and ice dropping from the cutter
grid into an empty bin are normal
sounds
Grinding, cavitating sound.
The reservoir is empty. Look for
a partially released slab,
interference with cutter grid etc
and clean the evaporator plate.
Grinding, cavitating sound from
recirculating pump
If the reservoir is full replace the
pump
Noisy drain pump Repair or replace
Ice freezing together in the bin Normal if little ice is used. Use more ice.