Clarke SHHHAIR 50/24, Operation & Maintenance Instructions Manual

9

TROUBLESHOOTING

PROBLEM

PROBABLE CAUSE

REMEDY

The compressor will not start, 
or stops and will not start 
again

Bad connections

Check the electrical 
connections

Blown fuse

Replace fuse

Overload cutout switch has 
tripped

Wait 25-20 mins before 
attempting to restart

Compressor does not start

Air receiver charged

Open drain valve to 
expel air. Compressor 
should start again 
when pressure 
reduces to approx 95 
psi

The compressor does not 
reach the set pressure and 
overheats easily

Inlet Air Filter is blocked
NOTE:  It is also possible that 
you are trying to use more 
air than the compressor is 
capable of delivering

Renew oil filler/air Filter 
plug

Air leaking from the pressure 
switch valve when the 
compressor is not running

Faulty non-return valve

First drain the receiver 
completely of air. 
Renew the non-return 
valve

Air pressure from the 
regulator will not adjust.

The diaphragm within the 
regulator body is broken

Replace regulator

Compressor operating, but 
no air from outlet

Inlet air filter blocked

Renew oil filler/air filter 
plug

Pressure regulator closed

Turn Regulator 
clockwise to set 
required pressure

Drain valve open

Close vent valve

Bleed pipe (from Pressure 
Switch to non-return valve) 
broken or disconnected

Reconnect or replace 
bleed pipe