BE Pressure supply 60 Gallon Air Compressor AC5060BP - Manual (Page 17)

17
Troubleshooting
TROUBLESHOOTING CHART
pROBLEM pROBABLE CAUSE CORRECTIVE ACTION
Will not start. Incorrect power supply and/
or wiring.
Make sure power is turned
on. (Consult with a licensed
electrician).
Air receiver is at full
pressure.
Drain air receiver.
Low pressure Safety valve leaks. Replace safety valve.
Drain cock open. Close drain cock.
Loose tubes or fittings. Tighten fittings.
Dirty or plugged air filter. Clean or replace as necessary.
Defective unloader valve. Replace unloader valve.
Oil in discharge Too much oil in the
crankcase.
Drain oil and fill to proper level.
Improper oil viscosity. Drain and replace oil
Compressor overheated. Air pressure regulated too
high.
Restricted air filter. Clean or replace air filter.
Worn piston rings. Replace piston rings.
Compressor
overheats
Dirty compressor head,
cylinder or intercooler.
Clean with compressed air.
Clogged inlet filter. Clean or replace as necessary.
Operating pressure too
high.
Reduce operating pressure.
Low oil or wrong oil being
used.
Drain and replace oil.
Compressor cycle too long.
proper cycle is 50-60% on
Stop/Start operation.
Allow for longer rest between
cycles.
Leaks in air system. Check for leaks.
Compressor loads &
unloads or stops &
starts excessively
pressure switch differential
adjusted too close.
Replace worn components as
necessary. Make necessary
adjustments.
Defective compressor
valves.
Replace valves.
Compressor too small for
intended use.
Upgrade to larger compressor.
troubleshooting