6 Troubleshooting
Problem
No power to unit.
Reduced delivery pressure.
Reduced purity.
Pressure Sensor Fault
Generator stops running.
18
Indication
Display is not illuminated.
Outlet pressure gauges.
Downstream monitoring
P R E S S U R E S E N S O R
F A U L T
F A I L U R E T O
S W I T C H
Possible Cause
Isolated at the supply.
Power lead not connected.
Power on switch in 'OFF' position.
Fuse blown in the IEC socket.
Loose connection inside generator.
Connected to the incorrect voltage
supply.
Compressor failure .
(compressor versions only)
Compressor is overheating due to
insufficient ventilation.
Leaking outlet pipe-work.
Pressure regulator set low.
Service interval exceeded.
Internal Leak.
Leaking inlet pipe-work.
(non compressor units only)
Inlet pressure set low.
Inlet (non compressor units only) or
outlet pipe-work diameter too small.
Demand greater than supply capability.
Leaking outlet pipe-work.
Unsuitable pipe-work used on outlet.
Generator recently brought online.
Inlet air supply IS08573.1
2010 air quality class 1.-.1.
(non compressor units only)
Faulty pressure sensor
The generator is not cycling correctly.
Action Required
Check isolator & switch on.
Check and rectify.
Check the power on switch.
Check fuse & replace.
Contact Parker for advice.
Check the rating plate voltage.
Check that the compressor is running,
Contact Parker for advice.
Check ventilation clearance & rectify.
Check pipe-work & rectifier.
Check pressure regulator setting & reset.
Check service timers and service.
Contact Parker for advice.
Check pipe-work & rectify.
Check inlet pressure & increase.
Check pipe-work diameter & replace.
Check requirements against original sizing
data.
Check pipe-work & rectify.
Check pipe-work and replace.
Check & allow at least 6-hours for purity to be
achieved.
Check inlet air quality & rectify.
Contact Parker for advice.
Press and hold the
and
seconds to reset the generator.
Note. This operation can only be performed 3
times, after which the display will lock. If this
occurs contact Parker for advice.
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