Sullair LS20TS Operator's Manual And Parts List page 49

7.2 TROUBLESHOOTING GUIDE (CONTINUED)
SYMPTOM
EXCESSIVE COMPRESSOR-
LUBRICANT CONSUMPTION
(CONTINUED)
SUMP PRESSURE RELIEF
VALVE OPENS REPEATEDLY
INTERSTAGE PRESSURE
RELIEF VALVE OPENS
REPEATEDLY
PROBABLE CAUSE
Leak in the Lubrication System
Excessive Fluid Foaming
Fluid Level Too High
High Pressure Shutdown Parameter
is Out of Adjustment
Defective Pressure Relief Valve
Defective Pressure Transducer
Defective Minimum Pressure Valve
High Separator Differential (dP1)
Defective Blowdown Valve
Defective Blowdown Solenoid Valve
Plugged or Frozen Control Lines
Defective Discharge Check Valve
Defective Oil Stop Valve
Defective Pressure Relief Valve
TROUBLESHOOTING
REMEDY
Check all pipes, connections and compo-
nents.
Drain fluid and change.
Drain excess fluid.
Readjust below pressure relief valve setting.
Replace pressure relief valve.
Recalibrate or replace.
Repair or replace.
Replace separator elements.
Repair or replace (kit available).
Repair or replace (kit available).
Replace or thaw as needed.
Repair or replace (kit available).
Repair or replace (kit available).
Replace pressure relief valve.
Section 7
43