PROBLM
Loss of power or overheating
NO electrical power
Blown shop/house fuse
Compressor will
Shop/house breaker open
not run
Current limiting protector open
Pressure switch bad
Tank is full of air
Low voltage
Wrong gauge wire or length of
Motor hums but
extension cord
cannot run or
runs slowly
Shorted or open motor winding
Defective check valve or unloader Take compressor to service center
LOW voltage
Current limiting
Lack of proper ventilation/room
protector
temperature too high
Protector cuts out
repeatedly
Wrong gauge wire or length of
extension cord
Loose connections (fitting , tubing,
etc.)
Air tank pressure
Loose drain valve
drops when
compressor shuts
off
Check valve leaking
Excessive water in air tanks
Excessive
moisture in
High humidity
Discharge air
Defective pressure switch
Excessive air usage
Compressor runs
continuously
Piston ring are worn
Broken inlet valves
Air output lower
than normal
Connections leaking
CAUSE
Check for proper use of extension cord
Check to be sure unit is plugged in
Check fuse/ breaker
Replace shop/house blow fuse
Reset shop/house breaker, determine
why problem happened
Motor will restart when cool
Compressor will tum on when tank
Pressure drops to cut- in pressure
Check with voltmeter
Check for proper gauge wire and cord
length
Take compressor to service center
Check with voltmeter
Move compressor to well- ventilated
area
Check for proper gauge wire and cord
length
Check all connection with soap and
water solution and tighten
Tighten drain valve
Take compressor to service center
DANGER
Do not disassemble check valve, tank
drain valves or safety relief valve with
air in tank- bleed tanks.
Drain tanks
Move to area of less humidity; use
air-line filter
Take compressor to service center
Take compressor to service center
Decrease air usage; compressor not
Large enough for tools requirement
Replace piston rings; Air intel filter
is blocked, call customer service for
assistance
Tack compressor to service center
Tighten connections
POSSIBLE SOLUTION
User Manual
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