Overheating
Thermal cut out switch tripping
Oil carry over
Water in lines
Overpressure
Motor buzzes but wont start
Intercooler safety valve lifting
Air leaking from pressure switch
PRV (machine stopped)
Reduction in efficiency |
Insufficient Ventialtion
Air filter element blocked
Low lubricant levels (oil level)
Incorrect direction of rotation (3phase)
Motor fan broken or blocked
Compressed air on top of head
Low temperature
Voltage too low
Use of extension lead
Thermal overload
Overload setting too low (3phase)
Capacitor burnt out
Motor down to earth
Piston rings worn
Bores scratched or worn
Overuse
Insufficient ventilation
Air receiver full of condensate
No air treatment
Pressure switch set too high
NRV blocked
Capcitor (single phase)
Loss of phase (3 phase)
Split head gasket
Faulty delivery valve
Warped head
Defective relief valve
NRV pastel worn
Rilan tube broken
Increase in air consumption
Air leaks in pipework
Air filter element blocked
Slipping drive belt
Head gasket broken
Piston rings worn
Bores worn
Delivery valve broken / sticking |
Rectify ambient conditions
Clean or replace air filter
Top up or replace oil
Change around L1 & L2
Clean or replace fan
Check NRV & Pressure switch
Rectify ambient conditions
Check incoming supply
Use dedicated supply
Replace
Check data plate & FL amps
Replace
Repair or replace
Replace
Replace
Reduce demand or upgrade
Rectify ambient conditions
Drain condensate
Install dryer or filters
Rectify or replace
Rectify or replace
Replace
Check fuses, replace.
Replace
Replace
Replace
Replace
Replace
Replace
Reduce demand or upgrade
Cure air leaks
Clean or replace
Check belt tension
Replace
Replace
Replace
Replace |