Ingersoll-Rand RS11i, Product Maintenance Information

Page: 11 / 108

47629519 Rev. C EN-11
EN
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.
drive controller has tripped. see tables 4 and 6.
Controller has tripped the compressor. see tables 4 and 6.
Maximum number of starts per hour
exceeded.
see tables 4 and 6.
Compressor is stopped and
will not restart.
Controller has tripped the compressor and
has not been reset.
see tables 4 and 6.
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.
Motor speed too low caused by drive
incorrectly set.
Contact your local Ingersoll Rand
representative.
Motor speed too low caused by fault in
drive settings.
see table 6.
Controller fault. Repair or replace.
drive motor fault. see table 6.
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.
Belt slippage. Replace belt and gas spring.
gas spring failed. Replace gas spring.
Equipment between compressor and
customer measuring point causing
pressure drop / pressure loss.
Review system requirements.
RELEASED 23/May/2019 07:27:22 GMT