Trouble Shooting
PROBLEM
Tank pressure drops.
The pressure switch
valve leaks when the
compressor is
stopped
The compressor
stops and will not
start again
The compressor
does not reach the
set pressure and
overheats
The compressor is
noisy. Repetitive
metallic clanking
CAUSE
Leakage at
connections
or joints.
Non-return valve seal
dirty or defective
Bad electrical
connections
Current over-load
protector or over-heat
protector has
activated.
Motor winding burnt
out
Compressor head
gasket blown or valve
broken
Crank bearing failure
Pressure switch failure
REMEDIAL ACTION
Set the compressor to maximum pressure.
Switch off and brush a soapy water solution
onto all connections and joints. Look for
bubbles. Tighten connections or joints where
leakage is visible.
Release any air in tank. Remove non-return valve
seal. If necessary, replace the seal. Re-assemble
Check the connections. Clean and tighten as
necessary
Press the reset button on the current over-load
and wait for a minute. The motor will run when
it has cooled
Contact Axminster Tool Centre
Wait for compressor to cool down. Disassemble
the head and replace any broken components.
Carefully clean all sealing surfaces before
re-assembling
Stop the compressor and contact Axminster
Tool Centre
Stop the compressor quickly. Release any air in
tank and replace the pressure switch
12
Need help?
Do you have a question about the AWC20HP and is the answer not in the manual?