11.0 FAULT FINDING
IRN37–160K–CC & IRN50–200H–CC & IRN75–160K–2S & IRN100–200H–2S
79
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 rotaion
Drive system fault
Contact your local IR representative
VSD communication
Communication wiring faulty
Check and replace if required
failure
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