80448608 Rev B
77
EN
SYMPTOM
FAULT REMEDY
Pressure produced
by compressor is too
high due to speed not
reducing as demand
reduces
Xe 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 IR representative
Compressor discharge air
too hot
High ambient temperature
Review installation and system parameters
Insufficient cooling air
Check ducting and cooling air path, check
direction of blower rotation
Blocked aftercooler matrix
Clean or replace
Compressor package
produces excessive noise
Panels or doors are not closed properly
Rectify fault
Air leaks from internal pipework / components Overhaul or replace
Blower or blower motor bearings worn
Overhaul or replace
Loose debris impacting on blower during
rotation
Remove and rectify any damage
Blowdown valve stuck open
Overhaul or replace
Pressure relief valve not seating correctly
Overhaul or replace
Vibration due to motor, airend or blower
imbalance
Overhaul or replace
Airend requires overhaul
Contact your local IR representative
Discharge air is
contaminated with
condensate
Aftercooler not functioning correctly
Clean or replace
Timed solenoids not set properly for
environment
Adjust the timed solenoid Interval and/or
duration through the Operator Setpoints
menu
Moisture blocked separator drain lines blocked
Clean or replace
Compressor package
draws too much current
Compressor operating above rated pressure
Check and modify settings. Review system
requirements and contact your local IR
representative
Voltage supply is low or unbalanced
Contact your local IR representative or a
qualified electrician
Airend is damaged
Contact your local IR representative
XE FAULTS (INDICATED ON THE XE CONTROLLER)
FAULT
CAUSE
REMEDY
Emergency stop
Emergency stop button has been pressed
Identify reason why, repair fault, disengage
button and reset Xe controller
Blower motor overload
Blower is blocked, damaged or blower motor is
faulty
Remove blockage, repair or replace damaged
components
High airend discharge
temperature
Compressor operating above rated pressure
Check and modify settings. Review system
requirements and contact your local IR
representative
High ambient temperature
Review installation and system parameters
Insufficient cooling air
Check ducting and cooling air path.
Blocked cooler matrix
Clean or replace
Blower motor direction of rotation incorrect
Wire correctly
Check setpoints
Controller software has been changed
Recalibrate all sensors and check setpoints
FAULT FINDING
RELEASED 06/Feb/2018 13:48:37 GMT
