11.0 FAULT FINDING
IRN37–160K–OF & IRN50–200H–OF
http://air.irco.com
82
11.1 GENERAL FAULTS
WARNING
When attempting to identify and remedy any fault or failure, ensure it is only attempted by qualified personnel and that
the safety and maintenance sections of this manual have been read and are fully understood and followed. Major
overhauls should only be carried out by a qualified Ingersoll–Rand representative. Failures caused by fitting parts not
recommended by Ingersoll–Rand or non–authorized Ingersoll–Rand personnel may not be covered by the terms of
any warranty agreement
SYMPTOM
FAULT
REMEDY
Compressor will not
start
No power supply to package
Check supply is switched on. If so, contact a
qualified electrician.
Intellisys controller failure
Check supply to unit. Replace unit.
Starter failure
Isolate supply, lock off and tag. Replace failed
component or contact your local Ingersoll–Rand
representative
Compressor stops and
will not restart
Drive controller has tripped
See section 11.2 & 11.3
Intellisys controller has tripped
the compressor
See section 11.2 & 11.3
Compressor is stopped
and will not restart
Intellisys controller has tripped
the compressor and has not
been reset
See section 11.2 & 11.3
Emergency stop has been
pressed and not released
Identify reason why, repair fault, disengage button
and reset Intellisys controller
Emergency stop has been
pressed and released but
Intellisys controller has not been
reset
Repair fault and reset Intellisys controller
