Part Number 80-1505-3 6/11 213
CVD1476 Headmaster Control Valve Failure List
Condition Probable Cause Corrective Measure
Discharge Pressure - Low
Liquid Line Temperature - Hot
Ice Machine Low on Charge Low on Charge Verification
Freeze Cycle Discharge Pressure - High
or
Freeze Cycle Discharge Pressure - Low
Water regulating valve maintains freeze cycle
discharge pressure
Adjust or replace water
regulating valve
Discharge Pressure - High
Liquid Line Temperature - Hot
Verify water regulating valve is set and/or
operating correctly. - Headmaster valve is stuck in
bypass if water regulating valve is OK
Replace headmaster valve
Discharge Pressure - normal or high
Liquid Line Temperature - Warm
Suction Pressure - Low
Headmaster Valve not bypassing Replace headmaster valve
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