Ingersoll-Rand NIRVANA IRN75-160K-2S - Manual (Page 97)

IRN37 - 160K - CC & IRN50 - 200H & IRN75 - 160K - 2S & IRN - 100 - 200H - 2S & IRN 250 - 300H - 2S
http://air.irco.com
5
11.0 FAULT FINDING
FAULT CAUSE REMEDY
Remote start failure Remote start button is pressed
after machine is running or
remote start button remains
closed.
Check operation of buttons or operating
procedures
Remote stop failure Remote stop button remains
open and either start button is
pressed
Check operation of buttons or operating
procedures
Sensor failure Sensor is missing or faulty Install, repair or replace faulty sensor
Compressor trips indicating a
high compressor temperature.
Insufficient cooling taking place If machine is watercooled or sea watercooled,
check that the cooling water is flowing. Check
that there is no air in the water cooling system.
Check that the strainer is not blocked.
Intellisys controller has
tripped the compressor
A fault has occurred Repair fault / reset Intellisys controller
Invalid Calibration Calibration done with pressure
in compressor.
Depressurise and re calibrate with pressure pipe
to sensor disconnected. If fault still exists, replace
pressure transducer.
Low sump pressure System leak Located and repair
Minimum pressure check valve
faulty
Repair with service kit
Blowdown valve faulty Repair with service kit
Loss of control power Check 110V circuit breaker
Check wiring
Check contactor KM1
Check motor rotation Drive system fault Contact your local IR representative
VSD communication failure Communication wiring faulty Check and replace if required
Drive faulty Contact your local IR representative
Intellisys faulty Contact your local IR representative
VSD initialisation fault Communication wiring faulty Check and replace if required
Drive faulty Contact your local IR representative
Intellisys faulty Contact your local IR representative