Air Master TIGER 11/250, Operation & Maintenance Instructions Manual

14

TROUBLESHOOTING

CAUTION: DO NOT TRY TO REPAIR OR ADJUST THIS COMPRESSOR IF YOU 
ARE UNCERTAIN. IF YOU HAVE ANY QUERIES, CONTACT YOUR DEALER.

PROBLEM

PROBABLE CAUSE

REMEDY

The compressor has 
stopped and does 
not start.

Bad electrical connections.

1.

Check electrical connections.

2.

Clean and tighten if necessary. 

Overload cutout switch has 
tripped.

1.

Switch off and wait approx 5 
minutes.

2.

Press the reset button and 
switch on again.

Motor windings burnt out.

1.

Contact your Clarke dealer for 
a replacement motor.

The compressor 
does not reach the 
set pressure and 
overheats easily.

Compressor head gasket blown 
or valve broken.

1.

Return the machine to your 
nearest service agent.

Compressor does 
not start.

The reservoir has already fully 
pressurised.

1.

Open drain valve to expel air. 
Compressor should start again 
when pressure reduces.

Air leaking from the 
non-return valve 
when the 
compressor is not 
running.

Faulty non-return valve.

1.

Drain receiver completely of 
air. 

2.

Remove the valve end plug, 

3.

Carefully clean the valve seat 
and the gasket

4.

Reassemble.

Air pressure from the 
regulator will not 
adjust.

The diaphragm within the 
regulator body is broken. 

1.

Replace regulator

The compressor is 
very noisy and 
makes a metallic 
knocking sound.

Compressor damaged and needs 
overhaul.

1.

Return the machine to your 
nearest service agent.