TROUBLESHOOTING
If any of the following symptoms appears while operating the tool, stop using
the tool immediately, or serious personal injury could result. Only authorized service centre should
perform repairs on this tool.
Disconnect the electrical plug and disconnect any tools from air supply before attempting any
adjustment.
NOTE: Troubleshooting problems may have similar causes and solutions.
PROBLEM POSSIBLE CAUSE SOLUTION
Power cord is not plugged in. Plug cord into grounded outlet.
Pressure Switch is in “OFF”
position.
Turn switch to “ON” or “AUTO” position.
Wrong gauge wire or length of
extension cord.
Check specifications for proper gauge wire
and cord length.
Motor thermal overload switch is
tripped
Turn air compressor off, wait until motor is
cool, then check motor circuit breaker.
Fuse blown or circuit breaker is
tripped.
-Replace fuse or reset circuit breaker.
-Check for proper fuse amperage.
-Check for low voltage conditions.
-Disconnect any other electrical appliances
from circuit or operate air compressor on a
dedicated circuit.
Air tank pressure exceeds preset
pressure switch limit.
Motor will start automatically when tank
pressure drops below cut-in pressure of
pressure tank.
Check valve is stuck open. Remove and clean or replace.
Electrical connections are loose. Contact authorized service centre or store.
Compressor
motor will not
run or start.
Possible defective motor, capacitor
or check valve.
Contact authorized service centre or store.
Low Voltage. Check power source (outlet or generator) with
volt meter.
Unit is plugged into an extension
cord.
Remove extension cord. Tip: It is better to
use a longer hose instead of an extension
cord.
Shorted, or open motor winding. Contact authorized service centre or store.
Motor replacement may be required.
Motor hums
but cannot run,
or runs slowly.
Check valve is defective. Contact authorized service centre or store.
Parts may require replacement.
Incorrectly sized fuse or circuit –
circuit overloaded.
Check for proper fuse or breaker, use
time-delay fuse of the proper size.
Disconnect other electrical appliances from
circuit or operate air compressor on its own
branch circuit.
Circuit is overloaded. Disconnect any other electrical appliances
from circuit or operate compressor on its own
dedicated circuit.
Unit is plugged into an extension
cord.
Remove extension cord. Tip: It is better to
use a longer hose instead of an extension
cord.
Fuses
blow/circuit
breaker trips
repeatedly.
Check valve is defective. Contact authorized service centre or store.
Parts may require replacement.
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