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SERVICE
DIAGNOSIS
SYMPTOM
Irregular cubes
size & some cloudy
Cubes too large
Decreased ice capacity
Poor harveSt
Incorrect discharge pressure
Excessive'water, in _ünitbase
POSSIBLE
CAUSE
Somejets plugged
Shortage of water
unit
not level
Freezing cycle too long
Inoperative evaporator thermostat
IneffiCientcompressor
. Leaky water valve
Non-condensable gas in system
Poor- air circulation or excessive
hot location
(Redcalärm LED glows)
Overcharge of refrigerant
Capillary tube partially restricted
Hot gas solenoidvalve leaking
Undercharge of refrigerant
Dischargehead pressuretoo high
Restrictionin incomingwater line
Water inlet valve not opening
Hot gas valve orifice restricted
Discharge head pressure too low
Inoperative fan pressure control
Inoperative fan motor
Water reguläting valve misadjusted
Water tubing leaking
SUGGESTED CORRECTION
Removejet Cover-aridClean
See shortage of water
I-ever as tequired
Adjust evap. thermostat
Replace thermostat
Replace
Repair or replace
Purge the system
Relocate the unit or provide for
more ventilation
Correctthe charge.-purgeoff slowiy
Blow charge,add new gas & drier,
after evacuating system with
vacuu pump
Replace Valve
Charge to data plate indication
See incorrectdischarge pressure
Check water valve Strainer and flow
control.
necessary enlarge the
flow control Orifice
Valve coil with open winding
Replace valve
Replace hot gas valve assy
SéeincorrectdiSéharge p ressure
Replace pressostat
Replace
Adjust its setting stem
Check. Tighten or replace
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