Troubleshooting Guide - Sullair 3007 Operators Manual & Parts Lists

SECTION 6

6.10 TROUBLESHOOTING GUIDE

SYMPTOM
Compressor Will Not Start
Compressor Shuts Down With Air Demand
Present
66
PROBABLE CAUSE
Main Disconnect Switch Open
Line Fuse Blown
Motor Starter Overload Tripped
Low Incoming Line Voltage
Loss of Control Voltage
Low Incoming Voltage
Excessive Operating Pressure
Separator Requires Maintenance Indicated
by WS Controller
Machine Programmed for Wrong Pressure
Setting
Defective Regulator Valve
Defective Blowdown Valve
Cooling Water Temperature Too High
Cooling Water Flow Insufficient
Cooler Plugged
Cooling Air Flow Restricted
Ambient Temperature Is Too High
Low Fluid Level
Clogged Filter
Thermal Valve Not Functioning Properly
Water Flow Regulating Valve Not
Functioning Properly
3000-4500 Operator's Manual and Parts List
REMEDY
Close switch.
Replace fuse.
Reset. Should trouble persist, check
whether motor starter contacts are
functioning properly.
Check voltage. Should voltage check low,
consult power company.
Check power supply for 24V DC output.
Replace power supply if necessary.
Consult power company.
Reset. If trouble persists, check that line
pressure does not exceed maximum
operating pressure of the compressor
(specified on nameplate).
Replace separator.
Reprogram with WSPC equipped laptop.
Regulator valve should cause inlet valve to
close when the pressure switch contacts
open. Repair if defective.
Blowdown valve should exhaust receiver
tank pressure to 18 psig (1.2 bar) when
maximum operating pressure is reached.
Repair if defective.
Reduce water temperature to 85°F
(29.4°C) or less. Water-cooled only.
Check water lines and valves
(water-cooled only).
Clean tubes. If plugging persists, install
water conditioner (water-cooled only).
Clean cooler and check for proper
ventilation.
Provide sufficient ventilation.
Add fluid.
Change the fluid filter element.
Replace element.
Change (water-cooled only).
SULL AIR
® ®