Scotsman F1222L Service Manual - Manual (Page 25)

N0922L, N1322L, F1222L, F1522L
Remote Low Side Service Manual Includes Prodigy Plus
December 2014
Page 25
Service Diagnosis
Symptom Probable Cause Possible Correction
No ice No power Check that ice machine and
condensing unit, if used, both have
power. If power light is out, check
transformer.
Code 3: No water Restore water
Status light is off Push and release ON switch
Code 1: No ice sensed 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
Code 2: Auger motor draws too
many amps, controller shuts unit
off.
Check that liquid line valve shuts
off tightly
Check for damage to gear reducer
or auger bearings.
Bin Eyes Blocked light is On Ice is in the chute.
No ice in the chute. Check position
of sensors, check sensors for scale
build up
Everything is in operation, but no
refrigeration effect
Check liquid line valve
Check condensing unit
Check TXV
Check refrigerant charge
Low ice making capacity Scale build up Remove scale from evaporator and
water system
Restricted water supply to
evaporator
Squeeze hose, if bubbles appear
revise hose and reservoir
Suction tubing kinked Check suction tubing
Expansion valve superheat
incorrect
Check superheat