Troubleshooting – WEN 22040 4 Gallon Twin Tank Air Compressor User Manual
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10. Avoid using solvents when cleaning plastic parts, most plastics are susceptible to damage
from the various types of commercial solvents.
TROUBLESHOOTING
Problem Cause
Solution
Air compressor will not start.
Thermal overload.
Allow to cool and push the
reset button located in the
crankcase close to the air
filter.
Blown fuse or circuit breaker
tripped.
Replace or reset fuse/circuit
breaker.
Loose electrical connections.
Check wiring connections.
Low pressure
Restricted air filter.
Replace air filter.
Defective check valve.
Replace check valve.
Air leak in safety valve.
Check valve by pulling on
ring. If condition persists,
replace valve.
Safety valve releasing.
Defective pressure switch.
Replace pressure switch.
Oil discharge in air
compressor.
Too much oil in crankcase.
Drain crankcase and refill to
proper level on oil sight glass.
Air compressor overheated.
Reduce air pressure
regulation.
Restricted oil breather cap.
Clean or replace oil breather
cap.
If trouble persists please call our customer service 1-800-232-1195, M-F 8-5 CST.
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