Troubleshooting - AEG AC1030S Original Instructions Manual

PROBLEM
Compressor will not run
Motor hums but cannot run or runs
slowly
Current limiting protector cuts out
repeatedly
Air tank pressure drops when
compressor shuts off
Excessive moisture in discharge air
Compressor runs continuously
12

TROUBLESHOOTING

POSSIBLE CAUSE
Loss of power or overheating
No electrical power
Blown shop/house fuse
Shop/house breaker open
Current limiting protector open
Bad pressure switch
Tank is at maximum pressure
Compressor was turned off at the mains
before the onboard switch.
Low voltage
Wrong gauge wire or length of extension
cord
Shorted or open motor winding
Defective check valve or unloader
Compressor was turned off at the mains
before the onboard switch.
Low voltage
Lack of proper ventilation/room
temperature too high
Wrong gauge wire or length of extension
cord
Loose connections (fittings, tubing, etc.)
Loose drain valve
Check valve leaking
Excessive water in air tank
High humidity
Defective pressure switch
Excessive air usage
Piston rings are worn
Check for proper use of extension cord.
Check to be sure unit is plugged in.
Check fuse/breaker.
Replace shop/house blown fuse.
Reset shop/house breaker, determining why problem
happened.
Wait 5 minutes for the thermal fuse to reset.
Replace pressure switch.
Compressor will turn on when tank pressure drops to cut-
in pressure.
Turn off the onboard switch (which releases line pressure)
and turn on from the onboard switch.
Check with voltmeter.
Check for proper gauge wire and cord length.
Take compressor to service centre.
Take compressor to service centre.
Turn off the onboard switch (which releases line pressure)
and turn on from the onboard switch.
Check with voltmeter.
Move compressor to well-ventilated area.
Check for proper gauge wire and cord length.
Check all connections with soap and water solution and
tighten.
Tighten drain valve.
Take compressor to service centre.
Do not disassemble check valve, tank drain valve or
pressure relief valve with air in tank — bleed tank.
Drain tank.
Move to area of less humidity; use air line filter.
Take compressor to service centre.
Take compressor to service centre.
Decrease air usage; compressor not large enough for
tool's requirement.
Check tool or hose for air leak.
Replace piston rings; air inlet filter is blocked, call customer
service for assistance.
12
SOLUTION
DANGER