Scotsman Prodigy Plus D Series Service Manual - Manual (Page 42)

N0422, F0522, N0622, F0822, N0922, F1222, N1322, F1522
Air, Water or Remote Service Manual
December 2014
Page 42
Service Diagnosis - Remote Air Cooled
Symptom Probable Cause Possible Correction
No ice No power If ice machine has power
and power light is out, check
transformer.
Code 3: No water Restore water, check filters, water
level and sensor
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 for refrigeration system
failure
Auger motor working, compressor
off. Check liquid line valve and
pump down switch
Check auger motor for power, if no
power, check controller component
indicator light. If there is power to
the motor, check motor windings or
start switch
Code 2: Auger motor draws too
many amps, controller shuts unit
off.
Check liquid line valve for leak
through, causing auger to freeze in
place
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
Code 4: High discharge pressure Check remote condenser fan
motor
Code 4: Chute thermostat opened Unit overfilled, check photo eyes
Everything is in operation, but no
refrigeration effect
Check liquid line valve
Check compressor
Check TXV superheat
Check refrigerant charge
Optional ultrasonic system set too
low
Adjust selector switch to a higher
position
Optional bin thermostat is open Check thermostat or jumper wire
on blue wires to #5 & #6
Optional ultrasonic system senses
false bin full
Check sensor for proper
installation and operation