Fault code Cause Actions
1 Overcurrent Contact Atlas Copco.
Ground fault Contact Atlas Copco.
2 Too high voltage. The voltage on the
converter is above the specifications.
Check the supply voltage.
Contact Atlas Copco.
3 Too low voltage. The voltage on the
converter is below the specifications.
Power quality faults
Check the supply voltage.
Contact Atlas Copco.
Check for loose wiring/wiring errors.
Check supply voltage during start up.
Check fuses transformer (200V, 230V,
500V and 575V units only)
4 Drive overload. Contact Atlas Copco.
8 Converter overheating (heat sink) Check the ambient temperature.
Check the cubicle cooling.
Check airflow around drive.
Check cooling fan and cooler
contamination.
Contact Atlas Copco.
256 Hardware fault Contact Atlas Copco.
512 Motor overload Contact Atlas Copco.
Drive overload Contact Atlas Copco.
Over-torque detection Contact Atlas Copco.
Under-torque detection Contact Atlas Copco.
1024 Over-speed Contact Atlas Copco.
Safe torque off Check for loose wiring at inverter. Push
emergency stop button.
Check temperature switch.
8192 Output phase loss Contact Atlas Copco.
Input phase loss Check supply voltage.
Check for loose wiring/wiring errors.
Check supply voltage during start-up.
Check fuses transformer (200V, 230V,
500V and 575V units only).
16384 Communication error Contact Atlas Copco.
TIME-OUT Time-out communication error between
Elektronikon
TM
and Inverter
Contact Atlas Copco.
Faults and remedies, dryer
For all references hereafter, consult section Air dryer.
Condition Fault Remedy
Pressure dew point too high Air inlet temperature too high Check and correct; if necessary, clean the
aftercooler of the compressor.
Ambient temperature too high Check and correct; if necessary, draw
cooling air via a duct from a cooler place or
relocate the compressor.
Instruction book
100 2920 7110 05
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