Harbor Freight Tools 94355 operating instructions Troubleshooting, Do not use an extension cord

Page 14

TROUBLESHOOTING

Problem

 

Possible Cause

 

Possible Solution

Circuit breaker/fuse trip often.

1.

Excessive wire length causes

1.

Do not use an extension cord.

 

 

voltage to drop too much.

 

Link additional air hoses together

 

 

 

 

to acquire additional length.

 

2.

Restricted air passages.

2.

Check all air passages for clogs.

 

3.

Back pressure in pump head.

3.

Have a qualified service technician

 

 

 

 

replace check valve and/or

 

 

 

 

pressure switch bleeder valve.

Overheating.

1.

Poor ventilation.

1.

Relocate air compressor to an area

 

 

 

 

with cool, dry, well circulated air.

 

2.

Dirty cooling surfaces.

2.

Clean all cooling surfaces of pump

 

 

 

 

and motor thoroughly.

 

3.

Leaking valve.

3.

Have a qualified service technician

 

 

 

 

replace worn parts and

 

 

 

 

re-assemble with new seals.

Motor stalls.

1.

Low voltage.

1.

Do not use an extension cord.

 

 

 

 

Link additional air hoses together

 

 

 

 

to acquire additional length.

 

2.

Defective pressure switch

2.

Have a qualified service technician

 

 

bleeder valve.

 

replace defective pressure switch

 

 

 

 

bleeder valve.

 

 

 

 

 

Pressure relief valve opens.

1.

Air tank pressure has exceeded

1.

Have a qualified service technician

 

 

normal operating pressure.

 

replace pressure switch.

 

2.

Pressure switch is stuck.

2.

Have a qualified service technician

 

 

 

 

replace pressure switch.

Motor will not run.

1.

Air tank pressure exceeds preset

1.

Motor will automatically start when

 

 

pressure switch limit.

 

air tank pressure drops below 85

 

 

 

 

PSI pressure of air tank.

 

2.

Motor overload protection has been

2.

Replace blown fuse or reset circuit

 

 

Tripped.

 

breaker. Do not use a fuse or

 

 

 

 

circuit breaker with higher rating

 

 

 

 

than specific for your circuit

 

 

 

 

branch. Check for proper fuse;

 

 

 

 

15 AMP Buss fuse is acceptable.

 

3.

Air compressor attached to an

 

Do not use an extension cord.

 

 

extension cord.

 

Link additional air hoses together

 

 

 

 

to acquire additional length.

 

 

 

 

Disconnect other applications from

 

 

 

 

circuit.

 

 

 

 

Operate air compressor on a dedi-

 

 

 

 

cated circuit.

 

 

 

 

Bleed line by moving pressure

 

 

 

 

switch lever to OFF position before

 

 

 

 

restarting. If bleeder valve does

 

 

 

 

not open, replace bleeder valve.

 

 

 

 

Have a qualified service technician

 

 

 

 

clean or replace motor.

SKU 94355

For technical questions, please call 1-800-444-3353

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Contents Oilless AIR Compressor Save this Manual Product SpecificationsGeneral Safety Rules and Precautions Safe OperationRisk of Bursting Work AreaArcing Parts Risk of InjuryPersonal Safety Tool USE and CareSpecific Safety Rules and Precautions ServiceSKU For technical questions, please call This Product Uses a Prong Plug GroundingGrounded Tools Tools with Three Prong Plugs This Product Does not USE a Prong Plug SymbologyDouble Insulated Tools Tools with TWO Prong Plugs AIR Compressor Controls Assembly InstructionsUnpacking See Figure D, nextOperating Instructions Figure DSee Figure E See Figure DINSPECTION, MAINTENANCE, and Cleaning Do not use damaged equipmentDiagram Please Read the Following CarefullyTroubleshooting Do not use an extension cordParts List Description QtyAssembly Diagram Waranty