Trouble Shooting - Ingersoll Rand IRN 15 Manual De Operaciones Y Mantenimiento

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PROBLEM
CAUSE
Compressor fails to
Mains power or Control voltage not available.
start
Machine shuts down
High airend temperature.
periodically and
periodically and
Line voltage variation out of range.
indicates a fault
condition
High current draw
Compressor operating above rated pressure.
Separator cartridge contaminated.
Low voltage.
Unbalanced voltage.
Damaged airend.
Compressed air filter(s) contaminated.
Low current draw
Air filter contaminated.
Compressor operating unloaded.
High voltage.
High discharge
Defective or incorrect pressure switch setting.
pressure
pressure
Inlet valve malfunction.
Low system air
Separator cartridge contaminated.
pressure
pressure
Incorrect pressure transducer setting
Minimum pressure valve malfunction.
Air system leaks.
Inlet valve malfunction.
System demand exceeds compressor delivery.
High dewpoint
Refrigeration compressor not supplied power.
Condensate system malfunction.
Condenser dirty.
Ice formation in dryer
Low evaporator pressure.
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.
http://air.ingersollrand.com

TROUBLE SHOOTING

REMEDY
§
Check incoming power supply.
§
Check the control circuit fuse.
Top up coolant.
§
Ensure voltage is correctly between operating limits
and that no voltage spikes are being introduced into
the supply by external equipment or power feed.
Set pressure to correct rating for machine.
Change air filter, and separator cartridge.
§
Ensure voltage does not drop below 10% on start up
and 6% running.
Correct incoming supply voltage.
Change Airend.
Replace air filter(s).
Change air filter.
Set pressure to correct rating for machine.
Reduce site voltage to correct operating voltage.
Replace or set pressure to correct rating for machine.
Fit inlet valve service kit.
Fit new Separator cartridge.
Set pressure to correct rating for machine.
Fit Minimum pressure valve service kit.
Fix leaks.
Fit inlet valve service kit.
Reduce demand or install additional compressor.
Check incoming power supply.
Check the dryer protection fuse.
Check auxiliary contact on main motor contactor.
Check operation of drain valve.
Check operation of condensate check valves.
Clean condenser and replace panel filter element.
Check hot gas valve setting.
37
en

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