R90 - 160N / R90 - 160I / R90 - 160NE / R90 - 160IE
Http://www.ingersollrandproducts.com
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11.0 FAULT FINDING (VSD)
11.1 GENERAL FAULTS
WARNING
When attempting to identify and remedy any fault or failure, ensure it is only attempted by qualified person-
nel 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
Maximum number of starts per hour
exceeded
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
