Section 5
MAINTENANCE AND TROUBLESHOOTING
27
5.4D TROUBLESHOOTING --- DS---13 (Continued)
SYMPTOM/MESSAGE PROBABLE CAUSE REMEDY
T2 HI (continued) Intercooler Tube Bundle Fouled Cleanse tube hundle. If fouling
persists, then provide cleaner
cooler water.
Discharge Check Valve Leaking Refer to compressor’s Operators Manual
for check valve maintenance.
Inlet Throttling Valve Not Fully Open See inlet valve adjustment.
Inlet Air Filter Clogged Refer to compressor’s Operators Manual
for filter maintenance.
Line Pressure is Too High Reset Supervisor unload pressure.
Temperature Transducer Failure Check connection from trans---
ducer. If adequate, replace
transducer.
P1 HI Exceeded P1 MAX for Pre---Alarm
Exceeded P1 MAX for Shutdown
Exceeded P2 MAX for Shutdown
Pressure Transducer Failure Check connection from trans---
ducer. If adequate replace
transducer.
P2 HI Exceeded P2 MAX for Pre---Alarm
Exceeded P2 MAX for Shutdown
Blowdown Valve Failed to Refer to compressor’s Operator’s Manual
Actuate for blowdown valve maintenance.
Solenoid Valve Controlling Blowdown
Valve Failed to Operate Refer to compressor’s Operator’s Manual
for solenoid valve maintenance.
Control Air Filter Clogged Refer to compressor’s Operator’s Manual
for control filter maintenance.
COMPRES SOR DOES NOT
BUILD FULL DISCHARGE
PRES SURE Air Demand Exceeds Supply Check air service lines for open
valves or leaks.
Inlet Air Filter Clogged Check for maintenance message
on Supervisor
II
display. Change
element.
Inlet Air Valve Not Fully Open Check actuation and butterfly disc
position.
Transducer P2 Malfunction Check connections from trans---
ducer. If adequate, replace trans---
ducer.
Blowdown Valve Leaking Refertocompressor’s Operator’s manual
for blowdown valve maintenance.
Air End(s) Malfunctioning Consult Sullair Service Department.
LINE PRESSURE RISES ABOVE
UNLOAD SETTING Blowdown Valve Failed to Refer to compressor’s Operator’s Manual
Activate for blowdown valve maintenance.
Solenoid Valve C ontrolling Blowdown Refer to compressor’s Operator’s Manual
Valve Failed to Operate for solenoid valve maintenance.
Transducer P2 Malfunction Check connections from transducer.
If adequate, replace transducer.
Control Air Filter Clogged Refer to compressor’s Operator’s Manual
for control filter maintenance.