Product Manual

(1) Main Motor Converter Alarm
(2) Fault
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
Instruction book
104 2920 7110 00