ES-6 USER MANUAL SECTION 6
76
COMPRESSOR WILL NOT BUILD UP
FULL DISCHARGE PRESSURE
Air Demand is Too Great Check service lines for leaks or open
valves.
Dirty Air Filter Check filter and change element if
required.
Pressure Regulator Out Of Adjust-
ment
Adjust regulator according to control
adjustment instructions in Section 6:
Maintenance.
Defective Solenoid Valve
A normally open solenoid must energize
to load compressor; check for proper
operation.
LINE PRESSURE RISES ABOVE
CUT-OUT PRESSURE SETTING ON
PRESSURE SWITCH
Defective Solenoid Valve Repair solenoid valve (see Section 6).
Leak In Control System Causing Loss
of Pressure Signals
Check for leaks.
Defective Pressure Switch
Check that diaphragm and contacts are
not damaged. Replace if necessary.
Inlet Valve Stuck Open
Inspect inlet valve and insure free oper-
ation (see Section 6).
EXCESSIVE COMPRESSOR FLUID
CONSUMPTION
Clogged Return Line
Remove element cover and clean ori-
fice.
Separator Element Damaged Or Not
Functioning Properly
Change separator element.
Leak In The Lubrication System
Check all pipes, connections and com-
ponents.
Excess Fluid Foaming Drain and change.
Fluid Level Too High
Drain Access
Shaft Seal Failure Replace shaft seal.
PRESSURE RELIEF VALVE OPENS
REPEATEDLY
Compressor Operating Pressure Too
High
See Symptom “Line Pressure Rises
Above Cutout Pressure Setting on Pres-
sure Switch” above.
Defective Pressure Relief Valve Replace pressure relief valve.
LIQUID WATER IN COMPRESSED
AIR LINES
Water Vapor Condensation
From Cooling and Compression
Occurs Naturally
Remove the water vapor from com-
pressed air prior to distribution through
the air system. Check
operation of aftercooler and moisture
separator. Install a compressed air dryer
sized for the flow and dryness level
required. (Note: Filters may also be
required to remove particulates, liquid
oil aerosols or for oil vapor removal.
Change cartridges as
recommended by the filter
manufacturer.) Check all drain traps rou-
tinely to insure their proper
operation. Maintain them regularly.
6.8 TROUBLESHOOTING GUIDE
To Next Page
Loading...
