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Scotsman Prodigy Series User Manual

Page 45

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January 2015 Page 45

Problem

Likely Cause

Probable Solution

Long freeze cycle

Dirty air filters

Clean filters

Dirty condenser

Clean condenser

Hot ambient

Reduce room air temperature

Water leak

Check purge valve, check curtain

Water inlet valve leaks through

Check inlet valve

Low on refrigerant

Add refrigerant, if cycle time drops, check

for leak

Incorrect superheat

Check evaporator superheat, if

significantly low or high, replace TXV

Fan(s) cycle on and off

Check pressures fans cycle at. Replace

fan pressure switch if too low

Long Harvest Cycle

Dirty evaporator

De-scale water system

No harvest assist

Check harvest assist solenoid

Bridge thickness too big

Check and adjust bridge thickness

Machine in very cool ambient

Increase room temperature

False bin full signal

Ice jammed in between curtain and sump

Clear ice away

Curtain does not close correctly

Check curtain for proper swing

Makes Excessive Noise - Air cooled

Problem

Likely Cause

Probable Solution

Fan blade vibrates

Blade is bent

Replace fan blade

Fan motor mount is broken

Replace motor mount

Compressor vibrates

Mounting bolts loose

Tighten bolts

Water pump vibrates

Pump bearings worn

Replace pump

Panels vibrate

Mounting screws loose

Tighten screws

Low Ice Making Capacity - Air Cooled