Troubleshooting chart – Powermate VLK1581009 User Manual

Page 18

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18

200-2449

Note: Troubleshooting problems may have similar causes and solutions.

TROUBLESHOOTING CHART

PROBLEM

POSSIBLE CAUSE

SOLUTION

Low pressure or not
enough air
or
Compressor does not
stop

Tank petcock is open

Close petcock

Prolonged excessive use of air

Decrease amount of air used.

Compressor not large enough

Check air requirement of accessory. If it is higher than CFM and
pressure supplied by compressor, you need a larger compressor.
Most accessories are rated at 25% of actual CFM while running
continuously.

Restricted check valve

Remove and clean or replace.

Hole in air hose

Check and replace if necessary.

Tank leaks

Immediately replace tank. DO NOT attempt to repair.

Blown seals

Replace any faulty seals.

Valve leaks

Replace worn parts and reassemble with new seals.

Excessive starting and
stopping, while not in use

Fittings leak

Check fittings with soapy water. Tighten or reseal leaking fittings.
DO NOT OVERTIGHTEN.
Replace worn parts and reassemble with new seals.
Replace any faulty seals.

Air leaks from regulator,
or regulator does not
regulate pressure

Dirty or damaged regulator
internal parts.

Replace regulator or internal parts.

Regulated pressure
reading drops when air
accessory is being used

This is normal

If pressure drops too low, adjust regulator while accessory is used.

Compressor not large enough

Check air requirement of accessory. If it is higher than CFM and
pressure supplied by compressor, you need a larger compressor.
Most accessories are rated at 25% of actual CFM while running
continuously.

Circuit breaker trips (fuse
blows) too often

Low voltage

Furnish adequate power. If using extension cord, try without.

Excessive wire length

Consult electrician.

Restricted air passages

Contact authorized service center.

Overheating

Poor ventilation

Relocate compressor to an area with cool, dry and well-circulated

air.

Dirty cooling surfaces

Clean all cooling surfaces of pump and motor thoroughly.

Leaking valve

Replace worn parts and reassemble with new seals.

Motor stalls

Low voltage

Furnish adequate power.

Pressure relief valve
opens

Tank pressure exceeded normal
operating pressure

Contact authorized service center.

Control board failure

Contact authorized service center.

Motor will not run

Tank pressure exceeds preset
pressure switch limit

Motor will start automatically when tank pressure drops below
kick-in pressure of pressure tank.

Motor overload protection has
tripped

Let motor cool off and overload switch will automatically reset. This
may take several minutes.

Fuse blown or circuit breaker
tripped

• Replace blown fuse or reset circuit breaker. Do not use fuse or

circuit breaker with higher rating than specified for your branch
circuit.

• Check for proper fuse; “Fusetron” type T is acceptable.
• Check for low voltage and proper extension cord size.
• Disconnect other applications from circuit. Operate compressor

on a dedicated circuit.

Check valve stuck open

Remove and clean or replace.

Wrong wire gauge in extension
cord

Check for proper gauge and extension cord length.

Loose electrical connections

Contact authorized service center.

Paint spray on internal motor
parts

Have checked at service center. Do not operate compressor in the
paint spray area

Possible defective motor

Have checked at service center.

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