Trouble-Shooting And Emergency Remedies - Quincy Compressor HP 15 Manual Use And Maintenance

19.0 TROUBLE-SHOOTING AND EMERGENCY REMEDIES

N.B. OPERATIONS MARKED   MUST BE CARRIED OUT BY PROFESSIONALLY SKILLED PERSONNEL APPROVED THE
MANUFACTURER
ALL WORK MUST BE CARRIED OUT BY PROFESSIONALLY SKILLED PERSONNEL. BEFORE CARRYNG OUT ANY
MAINTENANCE JOBS IT IS OBLIGATORY TO STOP THE MACHINE AND DISCONNECT IT FROM THE POWER MAINS.
19.1 – TROUBLE-SHOOTING AND EMERGENCY REMEDIES FOR COMPRESSOR
FAULT FOUND
1) The machine does not start
2) The machine does not start
the pilot lamp (Ref. 5 Fig.17A) is flashing.
The pictograph appears intermittently
(Status icons Shutdown)
3) The machine does not start
the pilot lamp (Ref. 5 Fig.17A) is flashes.
The pictograph appears intermittently
(Status icons Shutdown)
4) The compressor does not reach working
pressure
5) Excess oil consumption
.
POSSIBLE CAUSES
1A - no power
1B - the transformer protection device has
tripped
2A - Phases incorrect
2B - the main motor protection device has
tripped
2C – Temperature switch on element outlet
has tripped
3A - The oil high temperature protection has
tripped
4A - the compressed air consumption is
too high
4B - the discharge solenoid valve remains
closed.
5A - deteriorated oil separating filter
oil level is too high
OBSERVATIONS
- check the power supply line,
Chapter 12.2
- replace fuses
- Verify phases sequence
- to check possible motor failure
-environment temperature too high;
improve ventilation in the compressor
room, Chapter 9.2
  - cooling radiator is dirty, clean the
radiator and the filters
- oil level too low; top up the oil tank
- environment temperature too high;
improve ventilation in the compressor
room, Chapter 9.2
  - cooling radiator is dirty, clean the
radiator and the filters
- oil level too low; top up the oil tank
  - check the electric system
  - change the oil separating filter,
Chapter 23
Check oil level
Cod. 9828093052 04 - Edition 02/2018 - 37
ENGLISH