Husky 9045733 Use and Care Manual download pdf (Page 17)

Problem Possible Cause Solution

Compressor will not run Tank has sufficient pressure.

No electrical power.

Blown stop/house fuse.

Tripped shop/home breaker.

Thermal overload open.

Loss of power or overheating.

Pressure switch is bad.

Compressor will turn on when tank

pressure drops to cut-in pressure.

Check to be sure unit is plugged in.

Replace shop/house fuse.

Reset shop/home breaker, determine why

problem happened.

First unplugged the compressor and

wait until it becomes cool. After that

compressor can be used.

Check for proper use of extension cord.

Replace pressure switch.

Motor hums but cannot run or runs

slowly

Low voltage.

Wrong gauge wire or length of

extension cord.

Shorted or open motor winding.

Defective check valve or unloader.

Check with voltmeter.

Check for proper gauge wire and cord

length.

Take compressor to service center.

Fuses blow/circuit breaker trips

repeatedly

Incorrect size fuse, circuit overload.

Wrong gauge wire or length of

extension cord.

Defective check valve or unloader.

Check for proper fuse, use time-

delay fuse, disconnect other electrical

appliances from circuit or operate

compressor on its own branch circuit.

Check for proper gauge wire and cord

length.

Take compressor to service center.

Thermal overload protector cuts out

repeatedly

Low voltage.

Lack of proper ventilation/room

temperature too high.

Wrong gauge wire or length of

extension cord.

Check with voltmeter.

Move compressor to well-ventilated area.

Check for proper gauge wire and cord

length.

Air receiver pressure drops when

compressors shuts off

Loose connections (fittings, tubing,

etc.).

Loose drain valve.

Check valve leaking.

Check all connections with soap and

water solution and tighten.

Tighten drain valve.

Take compressor to service center.

Excessive moisture in discharge air Excessive water in air tank.

High humidity.

Drain tank.

Move to area of less humidity; use air line

filter.

Air leaking Loose or improperly sealed hose

connection.

Broken or damaged air hose.

Ensure connections are sealed with

thread sealing tape and tightened.

Replace air hose.

Compressor runs continuously Tank drain valve open.

Defective pressure switch.

Excessive usage.

Ensure tank drain valve is closed.

Take compressor to service center.

Decrease air usage; compressor not large

enough for tool’s requirement.

Compressor vibrates Loose mounting bolts. Tighten mounting bolts.

Air output lower than normal Broken inlet valves.

Connections leaking.

Take compressor to service center.

Apply thread sealing tape to fitting and

tighten.

WARNING:

Do not disassemble check valve with air

in tank - bleed tank.

TROUBLESHOOTING

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Husky 9045733 Use and Care Manual Page 17

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