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0 fault finding – Ingersoll-Rand NIRVANA IRN75-160K-2S User Manual

Page 94

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IRN37 - 160K - CC & IRN50 - 200H -CC & IRN75 - 160K - 2S & IRN100 - 200H - 2S & IRN 250 - 300H - 2S

http://air.irco.com

2

11.0 FAULT FINDING

SYMPTOM

FAULT

REMEDY

Compressor will not meet

pressure required by system

Compressor not sized to

meet system requirements or

requirements have been changed.

Contact your local IR representative

Air loss due to pipe, hose, joint or

seal failure

Overhaul or replace

Air loss due to blowdown valve stuck

open

Overhaul or replace

Air loss through pressure relief valve

not seating or set incorrectly

Overhaul or replace

Air loss due to moisture separator

drain trap stuck open

Overhaul or replace

Motor speed too low caused by drive

incorrectly set

Contact your local IR representative

Motor speed too low caused by fault

in drive settings

See section on drive faults

Intellysis controller fault

Overhaul or replace

Drive motor fault

See section on drive faults

Pressure transducer faulty,

incorrectly calibrated or EMF

interference

Recalibrate or replace

Incorrect Intellisys controller settings Check and modify settings
Inlet grill or ducting is blocked

Check and clean

Air filter dirty or collapsed

Replace

Inlet valve not opening fully

Overhaul or replace

Separator element dirty or collapsed Replace
Pipe / Hoses blocked or collapsed

Clean or replace

Cooler core blocked

Clean or replace

Minimum pressure check valve not

functioning correctly

Overhaul or replace

Equipment between compressor

and customer measuring point

causing pressure drop / pressure loss

Review system requirements