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Unit will not run Blown fuse in P.C.Board Replace fuse & check for cause of
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Master switch in OFF position Turn switch to ON position
Inoperative P.C.Board Replace P.C.Board
Loose electrical connections Check wiring
Bin full yellow LED glows with Inoperative or dirty ice level control Replace or clean ice level control
no ice in the bin
No water yellow LED glows Shortage of water See remedies for shortage of water.
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Red-alarm LED glows High head pressure Dirty condenser. Clean
INOPERATIVE fan motor. Replace
Ambient temperature too low Move unit in warmer location
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Reverse rotation yellow LED blinks
Too hi evap. temperature Check and charge refrigerant
Shortage or lack of refrigerant system
Inoperative evaporator sensor Replace
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everse rotation yellow LED glows
Gear motor turns on reverse Check stator winding and capacitor
Too low gear motor rotating speed
Check rotor bearings, freezer bearings
and interior of freezer for scores.
Replace whatever worn or damaged.
Drive motor doesn't turn Check for power, open circuit, etc.
Magnetic cylinder loose its magnetic
Replace magnetic cylinder.
charge
Water yellow LED and red LED Inoperative Condenser Sensor Replace it.
ON (steady) together
Water yellow LED and red LED Inoperative Evaporator Sensor Replace it.
blink together
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Check voltage at the supply to the
building. If low, contact the power
company
Non-condensable gas in system Purge the system
Compressor starting device with Check for loose wires in starting
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Low ice production Capillary tube partially restricted Blow charge, add new gas & drier,
after evacuating system with
vacuum pump
Moisture in the system Same as above
Low water level in the freezer Adjust to approx 20 mm below ice
spout
Shortage of refrigerant Check for leaks & recharge
Pitted or stained auger surface Clean or replace auger
SERVICE DIAGNOSIS
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