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2.A ICEMAKER INOPERATIVE
“RUN/STOP”
SWITCH
?
IS
HOPPER
FULL?
PUT SWITCH IN
“RUN” POSITION.
“STOP”“RUN”
IS BIN
THERMOSTAT
OPEN
NO
NORMAL SHUTOFF ON
BIN THERMOSTAT.
YES
1. CHECK THERMOSTAT ADJUSTMENT.
2. REPLACE BIN THERMOSTAT.
IS
WATER
LEVEL NORMAL
IN EVAP.?
IS LOW
PRESSURE
SWITCH
OPEN?
20/80 PSI
IS HIGH
PRESSURE
SWITCH
OPEN?
448 PSI
NO
YESYES
NO
CHECK FOR LOOSE CONNECTION
OR BROKEN WIRE.
AIR COOLED UNITS
1. CHECK FOR RESTRICTED AIR FLOW TO
AIR CONDENSER.
2. CHECK FOR HOT AIR RECIRCULATING TO AIR
CONDENSER. ELIMINATE BY BAFFLING.
3. CHECK FOR DIRTY AIR COOLED CONDENSER.
4. CHECK CONDENSER FAN MOTOR.
5. CHECK FOR REFRIGERANT OVER-CHARGE.
WATER COOLED UNITS
1. CHECK EATER SUPPLY TO CONDENSER.
2. CHECK FOR FAULTY WATER REGULATOR
VALVE.
3. CHECK FOR REFRIGERANT OVER-CHARGE.
4. CHECK FOR FOULED CONDENSER.
1. CHECK THAT WATER SUPPLY IS OPEN.
2. CHECK WATER SUPPLY FILTER.
3. CHECK FOR PLUGGED WATER INLET VALVE.
4. CHECK FOR PROPER TIMING ON TIMERS, IN-
CREASE IF LOW WATER LEVEL OBSERVED.
5. CHECK IF DRAINS ARE PLUGGED, KINKED,
OR ARE NOT PROPERLY PITCHED TO AN OPEN
TRAP.
1. CHECK FOR REFRIGERANT UNDER-
CHARGE.
2. CHECK TXV VALVE.
NO
YES
NO
YES