Service manual

Note: Ice bank freezes from bottom of evaporator upward. A refrigerant leak or insufficient charge
might show ice at bottom and not at top of evaporator.
Compressor will
not stop after
sufficient ice
bank is
produced
1.
2.
Ice bank control capillary tube
kinked or broken.
Ice bank control stuck in closed
position.
1.
2.
Replace ice bank control.
Replace ice bank control.
Note: During overload protector shut off condenser fan motor will continue to work. Otherwise,
troubleshooting condenser fan motor problems is the same, as “Compressor does not
operate”,
paragraph in addition to the following.
Condenser fan
motor not
operating
1.
2.
3.
Electrical cord loose or
disconnected from condenser fan
motor or compressor terminals.
Fan blade obstructed.
Inoperative condenser fan motor.
1.
2.
3.
Tighten connections or replace
cord.
Remove obstruction.
Replace condenser fan motor.
No water being
dispensed
1.
2.
3.
4.
5.
6.
7.
Plain water inlet supply shutoff
closed.
Water filter fouled/clogged.
Pinched or crimped line.
Loose electrical connection, 24
volt.
Water pump motor worn out or
damaged.
Water pump worn out or
damaged.
Frozen water bath.
1.
2.
3.
4.
5.
6.
7.
Open plain water inlet supply line
shut off valve.
Replace filter or cartridge.
Repair defective line.
Tighten connection
and or repair
open circuit.
Replace motor.
Replace water pump.
See “Frozen water bath”.
Volumes of
CO2 to low in
finished product
1.
2.
3.
4.
High-pressure regulator out of
adjustment.
CO2 cylinder empty.
Water, oil, or dirt in C02 supply.
Temperature above quality limits.
1.
2.
3.
4.
Adjust high-pressure regulator as
instructed.
Replace CO2 cylinder.
Clean contaminated CO2 system,
(lines, regulator, etc.) and sanitize
as instructed.
See refrigeration/machine
specifications vs. volume
requirements.
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