Icematic N21, Service Manual

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Turn switch to ON position
Check wiring
Replace thermostat
Check circuit for overloading
Check vltage at the supply to
the building. If low, contact the
power company
Clean or replace
Purge the system
Check for loose wires in starting
device
Move the unit in a more
suitable place
Review setting of DIP SWITCH
keys
Blow charge, add new
gas & drier, after evacuating
system with vacumm pump
Same as above
See remedies for shortage pf water
Check for leaks & recharge
Replace thermostat
See remedies for shortage of water
Use water sofner or water filter
Use acid citric
Checkbearings. Replace.
Check or replace curtain
Replace valve
Locate and repair
Remove and clean
Main switch in OFF position
Loose electrical connections
Inoperative bin thermostat
Low voltage
Contactor with burnt contacts
Non-condensable gas in system
Compressor starting device
with loose wires
To high room temperature
Freezing cycle too short
Capillary tube partially restricted
Moisture in the system
Shortage of water
Shortage of refrigerant
Inoperative evaporator thermostat
Shortage of water
Dirty water supply
Accumulated impurites
Water pump loosing disch. pressure
Water spilling out through curtain
Water solenoid valve not opening
Water leak in sump area
Water flow control plugged
GB
26
SERVICE DIAGNOSIS
SYMPTOM POSSIBLE CAUSE SUGGESTED CORRECTION
Shortage of water
Unit will not run
Compressor cycles
intermittently
Cubes too small
Cloudy cubes