Husky H150PL, Operator'S Manual

17

TROUBLESHOOTING

PROBLEM

POSSIBLE CAUSE

SOLUTION

Compressor will not run

Switch is in 

OFF position

No electrical power at wall outlet

Blown shop/house fuse

Shop/house breaker open

Motor  overheated,  overlolad  protector 

open

Pressure switch bad

Compressor  has  reached  automatic 

shutoff pressure

Make sure compressor is plugged in and 

switch is in the 

AUTO position.

Check circuit breaker or fuse at electri-

cal panel
Replace shop/house fuse

Reset shop/house breaker, determining 

why problem happened
Allow compressor to cool for 30 min-

utes, then reset 

Take compressor to service center 

Release air from tank until compressor 

starts automatically

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

Call an electrician
Check for proper gauge wire and cord 

length
Take compressor to service center
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 under loader

Check for proper fuse, use time-delay 

fuse, disconnect other electrical appli-

ances from circuit or operate compres-

sor on its own branch circuit
Check for proper gauge wire and cord 

length
Take compressor to service center

Push  Button  Overload 

protector  cuts 

out repeatedly

Low voltage
Lack of proper ventilation/room tempera-

ture too high
Wrong gauge wire or length of extension 

cord
Clogged air filter

Call an electrician
Move  compressor  to  well-ventilated 

area
Check for proper gauge wire and cord 

length
Clean air filter

Air receiver pressure drops when com-

pressor 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

Compressor runs continuously

Defective pressure switch
Excessive air usage

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
Tighten connections

Any problem or any other servicing not listed above should be performed by an authorized service representative.