SYMPTON
POSSIBLE CAUSE
SUGGESTED CORRECTION
Cloudy cubes
Shortage of water
See remedies for shortage
of water
Dirty water supply
Use water softner or water filter
Accumulated impurities
Use Ice Machine cleaner
Shortage of water
Water spilling out through curtain
Check or replace curtain
Water solenoid valve not opening
Replace valve
Water leak in sump area
Locate and repair
Water flow control plugged
Remove and clean
Irregular cubes size & some cloudy
Some jets plugged
Remove jet cover and clean
Shortage of water
See shortage of water
Cubes too large
Freezing cycle too long
Review setting of DIP SWITCH keys
Decreased ice capacity
Inefficient compressor
Replace
Leaky water valve
Repair or replace
Non-condensable gas in system
Purge the system
Poor air circulation or excessive
Relocate the unit or provide for
hot location (Red-alarm LED glows) more ventilation
Overcharge of refrigerant
Correct the charge. Purge off slowly
Capillary tube partially restricted
Blow charge, add new gas & drier,
after evacuating system with
vacuum pump
Hot gas solenoid valve leaking
Replace valve
Undercharge of refrigerant
Charge to data plate indication
Discharge head pressure too high
See incorrect discharge pressure
Poor harvest
Restriction in incoming water line
Check water valve strainer and flow
control. If necessary enlarge the
flow control orifice
Water inlet valve not opening
Valve coil with open winding
Replace valve
Hot gas valve orifice restricted
Replace hot gas valve assy
Air vented holes in mold cups
Clean out holes
plugged
Discharge head pressure too low
See incorrect discharge pressure
Unit won’t harvest
Inoperative P.C.Board
Replace P.C.Board
Hot gas valve not opening
Valve coil with open winding
Replace valve
Water solenoid valve not opening
Valve coil with open winding
Replace valve
Excessive water in unit base
Water tubing leaking
Check. Tighten or replace
SERVICE DIAGNOSIS
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Содержание DX 40
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