Scotsman MV 12 Service Manual page 28

Page 28
SERVICE DIAGNOSIS
SYMPTOM
Low ice capacity.
Machine makes irregular ice.
POSSIBLE CAUSE
High discharge pressure
due to not-condensable
or overcharge.
Inefficient compressor.
Condenser dirty.
Low water flow
(Water-cooled).
High air temperature
(air-cooled).
Low water supply.
Plugged water distributor.
TXV supertheat wrong.
Refrigerant charge low.
CORRECTION
Evacuate and weigh
in charge.
Replace.
Clean.
Check and repair.
Check temperature of air
entering condenser.
Check Float valve not
mantaining proper water level
in reservoir.
Clean water distributor.
Adjust or replace.
Adjust-check for leak.
recharge.
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