EN
EN-10
47612267 Rev B
TROUBLESHOOTING
This section provides basic troubleshooting information. Determination of specific causes to problems are best identified by
thorough inspections performed by personnel instructed in safety, operation and maintenance of this equipment. The chart
below provides a brief guide to common symptoms, probable causes and remedies.
Table 3: General Faults
SYMPTOM
CAUSE REMEDY
Compressor will not start.
No power supply to compressor.
Check supply is switched on. If so, contact a
qualified electrician.
Controller failure.
Check supply to controller. Replace controller.
Starter failure.
Isolate supply, lock off and tag. Replace failed
component or contact your local
Ingersoll
Rand
representative.
Compressor stops and will not
restart.
Controller has tripped the compressor.
See Table 4
Maximum number of starts per hour
exceeded.
See Table 4
Compressor is stopped and
will not restart.
Controller has tripped the compressor and
has not been reset.
See Table 4
Emergency stop has been pressed and not
released.
Identify reason why, repair fault, disengage
button and reset controller.
Emergency stop has been pressed and
released but controller has not been reset.
Repair fault and reset controller.
Compressor will not meet
pressure required by system.
Compressor not sized to meet system
requirements or requirements have been
changed.
Contact your local
Ingersoll Rand
representative.
Air loss due to pipe, hose, joint or seal
failure.
Repair or replace.
Air loss due to blowdown valve stuck
open.
Repair or replace.
Air loss through pressure relief valve not
seating or set incorrectly.
Repair or replace.
Air loss due to moisture separator drain
trap stuck open.
Repair or replace.
Controller fault.
Repair or replace.
Pressure transducer faulty, incorrectly
calibrated or EMF interference.
Recalibrate or replace.
Incorrect controller settings.
Check and modify settings.
Inlet grill or ducting is blocked.
Check and clean.
Air filter dirty or collapsed.
Replace.
Compressor will not meet
pressure required by system.
Inlet valve not opening fully.
Repair 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.
Repair or replace.
Equipment between compressor and
customer measuring point causing
pressure drop / pressure loss.
Review system requirements.
Pressure produced by
compressor is too high due
to speed not reducing as
demand reduces.
Controller set incorrectly.
Check and modify settings.
Pressure transducer may be faulty,
incorrectly calibrated or not receiving
pressure signal.
Recalibrate or replace.
Drive settings fault.
Contact your local
Ingersoll Rand
representative.
RELEASED 11/Feb/2019 01:43:20 GMT
