Ice-O-Matic Gourmet UCG Series Installation And Service Manual page 29

Poor harvest
Unit won't harvest
Incorrect discharge pressure
Excessive water in unit base
Overcharge of refrigerant
Capillary tube partially
restricted
Hot gas solenoid valve leaking
Short of refrigerant
Discharge head pressure too
high
Restriction in incoming water
line
Water inlet valve not opening
Hot gas valve orifice restricted
Clogged air vented holes in
mold cups
Discharge head pressure too
low
Inoperative PC Board
Hot gas valve not opening
Water solenoid valve not
opening
Inoperative condenser sensor
Inoperative PC Board
Water tubing leaking
UCG GOURMET SERIES UNDERCOUNTER
Reclaim charge, evacuate,
replace drier, and recharge with
proper amount of refrigerant.
Reclaim charge, evacuate,
replace drier, and recharge with
proper amount of refrigerant.
Replace valve.
Charge to data plate indication.
See incorrect discharge
pressure.
Check water valve strainer and
flow control. If necessary,
enlarge the flow control orifice.
Valve coil with open winding.
Replace valve.
Replace hot gas valve assembly.
Clean out holes plugged.
See incorrect discharge
pressure.
Replace PC Board.
Valve coil with open winding.
Replace valve.
Valve coil with open winding.
Replace valve.
Replace sensor.
Replace PC Board.
Check. Tighten or replace.
pg. 29