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SERVICEMAN’S INFORMATIONS
GENERAL
Models SD 10 Ice Cube Makers have been
designed for little service and maintenance
requirements.
Average head pressure is 10 atm at the start-up
of the freezing cycle at 21
°
C ambient tem-
perature.
It gradually pulls down to 7 atm at the end of the
cycle.
Suction pressure at the start-up of the freezing
cycle will be around 3 atm then it pulls down
gradually to approximately 0 atm at the end of
freezing cycle.
SERVICE ANALYSIS
The following Service Analysis Section is for use in aiding the serviceman in diagnosing a particular
problem for pin-pointing the area in which the problem lies, thus an ever available reference for proper
corrective action.
SYMPTOM
POSSIBLE CAUSE
CORRECTION
Machine does not make ice.
Fuse in Power Line Blown.
Check fuses in the house fuse
box. Other loads on the same
line may have caused fuse
to blow. Use a 10 amp circuit
and fuse.
Water reservoir empty.
Re-fill water reservoir.
Temp. control out of setting.
Check for proper setting.
Wiring broken or connection off.
Check electrical circuitry.
Compressor does not run.
Any of the following may be
the cause. Starting relay,
overload, or defective compressor.
Water pump not operating.
Clean or replace pump.
Bin thermostat not operating
Check thermostat by warming
correctly.
with hand and cooling with ice
cube. Replace if necessary.
Restricted Capillary Tube.
Purge and recharge.
Moisture and air in system.
Purge - recharge - replace drier.
Shortage of refrigerant.
Charge unit properly.
Low ice capacity.
High Room Temperature.
Provide ventilation to the unit.
Decrease temperature as much
as possible.
High head pressure.
Dirty condenser. Clean.
Cubes too large.
Cube Size Control set
Check and adjust for proper
improperly.
operation.
