Ingersoll-Rand SSR UP6 50PEI HF50-PE Trouble Shooting, Problem, Cause, Remedy, over temperature

48	TROUBLE SHOOTING
PROBLEM		CAUSE	REMEDY
Compressor trips due to		Compressor operating above rated pressure.		Set pressure to correct rating for machine.
over temperature
		Package pre–filter blocked.		Clean / replace package pre–filter.
		Cooler blocked.		Clean cooler.
		Missing or incorrectly fitted enclosure panels		Ensure that all enclosure panels are correctly fitted
		Low coolant level.		Top up coolant and check for leaks.
		High ambient temperature.		Re–site compressor.
		Restricted cooling air flow.		Ensure correct air flow to compressor.
Excessive coolant		Separator cartridge leak.		Fit new Separator cartridge.
consumption
		Blocked separator cartridge drain.	† Remove fittings and clean.
		Compressor operating below rated pressure.		Set pressure to correct rating for machine.
		Coolant system leak.	†	Fix leaks.
Excessive noise level		Air system leaks.	†	Fix leaks.
		Airend defective.	†	Change Airend.
		Drive belt slipping.		Replace belt and tensioner.
		Motor defective.	†	Replace motor.
		Loose components.	†	Retighten loose items.
Shaft seal leaking		Defective shaft seal.	† Fit Airend shaft seal kit.
Pressure relief valve		Defective switch or incorrect pressure switch setting.		Replace or set pressure to correct rating for machine.
opens
		Minimum pressure valve malfunction.	† Fit Minimum pressure valve service kit.
		Load solenoid valve defective.	† Fit load solenoid service kit.
		Blowdown valve defective.	† Fit blowdown solenoid service kit.
		Inlet valve malfunction.	† Fit inlet valve service kit.
Black residue on belt		Drive belt slipping.		Replace belt and tensioner.
guard/cooler box
		Pulleys misaligned.		Re–align pulleys.
		Worn pulleys.	† Replace pulleys and belt.
		Gas strut failed.		Replace belt and tensioner.
DRYER OPTION
High Dew Point		Dryer compressor or fan failed.		Check electrical supply and repair as required.
(Indicator Red)
		Low refrigerant charge.		Check for leaks.
		High pressure switch tripped.		Check condenser coil for debris. Check fan operation.
				Clean / repair as required. Reset manual switch.
Low Dew Point		HGBV out of adjustment / defective.		Adjust valve or replace as required.
(Indicator Blue)
OR Compressor runs				Never adjust thermal expansion valve. It has been
unloaded with no				factory set
system pressure
Water Down stream of		Restricted / defective drain valve.	Clean / replace drain valve.
dryer (Indicator OK)			Clean / replace condensate check valves.

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.

SSR UP6 40, SSR UP6 50PE, SSR UP6 50PEI, HF50–PE,	http://air.ingersollrand.com
EP50–PE, HP50–PE, HXP50–PE