Ingersoll Rand UP6 15 Manuel D'utilisation page 34

32
TROUBLE SHOOTING
PROBLEM
Compressor trips due to
over temperature over temperature
Excessive coolant
consumption consumption
Excessive noise level
Shaft seal leaking
Pressure relief valve
opens opens
Black residue on belt
guard/cooler box guard/cooler box
Safety valve blows when
compressor goes on load
NOTES:
§ Must be carried out by a competent electrician.
† This work is recommended to be carried out only by an Ingersoll Rand authorized service technician.
CAUSE
Compressor operating above rated pressure.
Package pre–filter blocked.
Cooler blocked.
Missing or incorrectly fitted enclosure panels
Low coolant level.
High ambient temperature.
Restricted cooling air flow.
Separator cartridge leak.
Blocked separator cartridge drain.
Compressor operating below rated pressure.
Coolant system leak.
Air system leaks.
Airend defective.
Belts Slipping.
Motor defective.
Loose components.
Defective shaft seal.
Defective switch or incorrect pressure switch setting.
Minimum pressure valve malfunction.
Load solenoid valve defective.
Blowdown valve defective.
Inlet valve malfunction.
Drive belt slipping.
Pulleys misaligned.
Worn pulleys.
Gas strut failed.
MPV Stuck closed
Safety valve faulty
REMEDY
Set pressure to correct rating for machine.
Clean / replace package pre–filter.
Clean cooler.
Ensure that all enclosure panels are correctly fitted
Top up coolant and check for leaks.
Re–site compressor.
Ensure correct air flow to compressor.
Fit new Separator cartridge.
† Remove fittings and clean.
Set pressure to correct rating for machine.
† Fix leaks.
† Fix leaks.
† Change Airend.
Replace belt and tensioner.
† Replace motor.
† Retighten loose items.
† Fit Airend shaft seal kit.
Replace or set pressure to correct rating for machine.
† Fit Minimum pressure valve service kit.
† Fit load solenoid service kit.
† Fit blowdown solenoid service kit.
† Fit inlet valve service kit.
Replace belt and tensioner.
Re–align pulleys.
† Replace pulleys and belt.
Replace belt and tensioner.
Strip MPV, examine and repair if necessary.
Check the setting of the safety valve and the
rated pressure.