Istruzioni per l’uso e manutenzione
Cod. OQ7.5ARG114 – GB
Emiss. 19-01-11 Rev. 0 - Agg. /
50
POWER SYSTEM SRL
Via dell’Emigrante, 11/13 - 36040 Brendola (VI) Italia
26
TROUBLESHOOTING
FAULTS
CAUSES
REMEDIES
THE COMPRESSOR
LOADS, THE SAFETY
VALVE TRIPS
1)
The pressure transmitter does not intervene;
2)
The intake valve does not close.
3)
Safety valve needs replaced.
1)
Contact Power System
EXCESSIVE OIL
CONSUMPTION /
PRESENCE OF OIL IN
THE AIR FILTER
1)
Blocked oil separating nipple or calibrated
nozzle in the one-way valve;
2)
Oil separator out of order;
3)
Intake assembly out of order;
4)
Oil level too high.
1)
Clean it;
2)
Check the part and change it if necessary;
3)
Clean it;
4)
See chapter on oil changing to discharge
part of the oil until the correct level is
obtained
COMPRESSOR FLOW
RATE OR PRESSURE
BELOW THE RATED
VALUES
1)
The compressed air consumption exceeds
the compressor flow rate;
2)
Intake air filter clogged;
3)
Suction valve clogged ;
4)
The safety valve is not hermetically sealed;
5)
Screw compressor.
1)
Check the appliances connected to the
compressed air network;
2)
Remove and check the filter;
3) )
Check intake valve assembly;
4)
Remove and check it. Change it if
necessary;
5)
Contact Power System.
THE COMPRESSOR
OVERHEATS.
1)
Prefilters clogged;
2)
Insufficient compressor cooling;
3)
Air-oil exchanger clogged;
4)
Oil level too low.;
5)
Control card and temperature probe do not
display the temperature correctly;
1)
Clean it;
2)
Improve ventilation of the premises;
3)
Clean it;
4)
Check and, if necessary, add oil.;
5)
Contact Power System.
THE FAN IS NOT
WORKING.
1)
The fan is broken;
2)
Connections in the electric panel and the
control board not corret;
3)
Fan thermal relay switches off.
1)
Change it if necessary;
2)
Check it;
3)
Check that the calibration of the motor
thermal relay is correct.
MOTOR THERMAL
RELAY SWITCHES OFF.
1)
Calibration of the fan thermal relay is not
correct;
2)
Control board.
1)
Check that the calibration of the fan
thermal relay is correct;
2)
Check the control board.
OIL'S STAGNATION
INTO THE OIL
RECOVERY PIPE OF
GEARCASE.
1)
Oil filter clogged
1)
Clean the Oil Recovery Filter.
