Service Diagnosis - Scotsman Prodigy Plus A Series Service Manual

FS2330L
Remote Low Side Service Manual

Service Diagnosis

Symptom
No ice
Low ice making capacity
Probable Cause
No power
Code 3: No water
Status light is off
Code 1: No ice sensed
Code 2: Auger motor draws too
many amps, controller shuts unit
off.
Bin Eyes Blocked light is On
Everything is in operation, but no
refrigeration effect
Scale build up
Restricted water supply to
evaporator
Suction tubing kinked
Expansion valve superheat
incorrect
December 2022
Page 23
Possible Correction
Check that ice machine and
condensing unit, if used, both have
power. If power light is out, check
transformer.
Restore water
Push and release ON switch
Check for ice flow down chute. if
very slow or no ice being made,
check water inlet tubing for
restriction; check for condensing
unit or refrigeration system failure
Check auger motor for power, if no
power, check controller component
indicator light. If there is power to
the motor, check motor windings
Check that liquid line valve shuts
off tightly
Check for damage to gear reducer
or auger bearings.
Ice is in the chute.
No ice in the chute. Check position
of sensors, check sensors for scale
build up
Check liquid line valve of
condensing unit.
Check condensing unit
Check TXV
Check refrigerant charge
Remove scale from evaporator and
water system
Squeeze hose, if bubbles appear
revise hose and reservoir
Check suction tubing
Check superheat