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MC0322 through MC2148
Air, Water, and Remote Cooled Service Manual
Low Ice Making Capacity - Remote Air Cooled
Problem
Long Harvest Cycle
False bin full signal
Makes Excessive Noise - Air cooled
Problem
Fan blade vibrates
Compressor vibrates
Water pump vibrates
Panels vibrate
Likely Cause
Dirty condenser
Hot ambient
Water leak
Water inlet valve leaks through
Low on refrigerant
Incorrect superheat
Dirty evaporator
No harvest assist
Bridge thickness too big
Machine in very cool ambient
Ice jammed in between curtain and sump
Curtain does not close correctly
Likely Cause
Blade is bent
Fan motor mount is broken
Mounting bolts loose
Pump bearings worn
Mounting screws loose
January 2022
Probable Solution
Clean condenser
Check condenser inlet temp
Check purge valve, check curtain
Check inlet valve
Add refrigerant, if cycle time drops, check
for leak
Check evaporator superheat, if
significantly low or high, replace TXV
De-scale water system
Check harvest assist solenoid
Check and adjust bridge thickness
Increase room temperature
Clear ice away
Check curtain for proper swing
Probable Solution
Replace fan blade
Replace motor mount
Tighten bolts
Replace pump
Tighten screws
Page 45
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