Scotsman HID312 Service Manual - Manual (Page 25)

HID312, HID525, HID540
Service Manual
April 2015
Page 25
Troubleshooting
Symptom Possible Cause Probable Correction
No ice in bin Auger motor not operating Open windings. Check motor windings and replace
if open.
Gear reducer seized, replace gear reducer.
Auger bearings seized, replace bearings and seal
No power to auger motor, Auger light is ON.
Replace controller.
Code 2 in controller. Check that sensor rotates with
motor and isn’t loose. Tighten screw if loose.
Code 1 in controller, replace auger motor.
Compressor not operating Contactor coil is open, check and replace if needed.
Compressor hot and overheated, check start relay
and start capacitor
No power to compressor or contactor coil.
Compressor light is ON. Replace controller.
Compressor at room temperature, will not start.
Check windings. If open, replace compressor. If not
open, check/replace start relay and start capacitor.
Compressor operating,
auger turning, no ice is
made
Check refrigeration system, TXV may be set to too
much superheat or the system is low on refrigerant.
Excessive noise Tubing contact Check for tubes rattling and panels not tight
Fan blade out of balance Replace fan blade
Compressor noisy Replace compressor
Moaning noise when
making ice
Water seal being
compressed
Gear reducer bearing failure, replace gear reducer
Dispense motor not
turning
No voltage to it Check dispense light, if on there should be voltage.
If none, replace motor.
Wrong voltage motor Check motor label, install correct motor.
Dispense motor working,
but ice in bin not moving
Broken ice agitator Replace and check for mechanical cause for
breakage
Broken drive pin Replace and check for worn hole in dispense motor
shaft
Too much ice in drip tray Users are taking ice and
dumping it
Glass size too small, use larger glass.
Water leak near front Drip tray not in position,
hard to push all the way in
Add small amount of food grade lube to the drip tray
drain stub or o-ring in drain fitting.
Glass does not trigger
dispense light
Glass is too clear Confirm by testing dispense with hand behind glass.