14
ORIG, SG, SE: HIGH SUMP PRESSURE
= SUMP PRESSURE IS GREATER THAN 15 PSIG ABOVE THE RATED PRESSURE OF THE UNIT.
CLOGGED SEPARATOR ELEMENT
STICKING MINIMUM PRESSURE CHECK VALVE
BLOCKAGE OR LEAK IN SENSING LINE TO 4APT
CHECK SPECIAL TEE ON TOP OF MOISTURE
SEPARATOR WHERE 4 APT CONNECTS.
OLD STYLE INLET VALVE
SLIPPING COUPLING
FAULTY 4APT SENSOR
SEE PROCEDURE 2.4
BAD COOLANT
BYPASS OR BAD AIR
FILTER.
WATER IN THE SYSTEM
WATER IN THE SYSTEM CAUSING CORROSION IN THE
VALVE.
SE CONTROLLER
BLOCKAGE IN SENSING LINE TO 10SV
FULL VOLTAGE? YES OR NO
YES
NO AIR SIGNAL TO CLOSE THE VALVE. FAULTY 1SV OR SHUTTLE VALVE.
STICKING INLET VALVE
BLOWDOWN VALVE NOT OPENING.
NO.
BROKEN SPRING IN INLET VALVE
1SV STILL ENERGIZED, STICKING OR LEAKING AIR SIGNAL TO OPEN INLET
VALVE. BLOWDOWN VALVE NOT OPENING
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