SYMPTOM
PROBABLE CAUSES
REMEDY
Unusual noise from
Bolts loose.
Tighten Bolts.
compressor.
V-Belt flywheel or cooling
Find place of contact and
coil touching belt guard
remedy fault.
Flywheel loose.
Tighten flywheel.
Unit installed on an
Move unit to a more solid
unsuitable base.
base.
Bearings, piston rings or
Replace worn parts or
cylinder worn.
change compressor pump
Valve broken.
Change valve parts.
Bearings of electric motor
Have motor bearing
worn.
replaced.
Compressor becomes Insufficient ventilation
See that sufficient air is
too hot.
supplied to flywheel or
fan of compressor and
that hot air is properly
vented.
Oil level too low (check
Fill with oil - see Page 3.
2 or 3 times after stopping).
Wrong direction of
Cooling air from flywheel
rotation.
fan must blow against
compressor.
Fault in valves (machine
Check, clean/replace
not stopping).
Blown head gasket (machine
Check and replace gasket
not stopping).
Dirt on cooling fins or
Clean cooling fins and
suction filter.
suction filter.
Unit working at too high
Reset to correct working
a pressure
pressure detailed on unit.
Not fully unloading
Check pressure unloading
(Govenor control machines
genie, adjust if necessary,
only).
check valve(s)
Non-return valve partly
Clean or thaw out non-
blocked.
return valve.
Compressor being
Connect to a
overworked and
supplementary compressor
running continuously.
or install a larger model.
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