Atlas Copco GA 7 VSD+ Instruction Book page 118

Fault code
1
2
3
4
8
256
512
1024
8192
16384
TIME-OUT
Faults and remedies, dryer
For all references hereafter, consult section
Condition
Pressure dew point too high
116
Cause
Overcurrent
Ground fault
Too high voltage. The voltage on the
converter is above the specifications.
Too low voltage. The voltage on the
converter is below the specifications.
Power quality faults
Drive overload
Converter overheating (heat sink)
Hardware fault
Motor overload
Drive overload
Over-torque detection
Under-torque detection
Over-speed
Safe torque off
Output phase loss
Input phase loss
Communication error
Time-out communication error between
Elektronikon and Inverter
Fault
Air inlet temperature too high
Ambient temperature too high Check and correct; if necessary, draw
Actions
Contact Atlas Copco
Contact Atlas Copco
Check the supply voltage
Contact Atlas Copco.
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)
Contact Atlas Copco
Check the ambient temperature
Check the cubicle cooling
Check airflow around drive
Check cooling fan and cooler
contamination
Contact Atlas Copco
Contact Atlas Copco
Contact Atlas Copco
Contact Atlas Copco
Contact Atlas Copco
Contact Atlas Copco
Contact Atlas Copco
Check for loose wiring at inverter - Push
emergency stop button
Check temperature switch
Contact Atlas Copco
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)
Contact Atlas Copco
Contact Atlas Copco
Air dryer.
Remedy
Check and correct; if necessary, clean the
aftercooler of the compressor
cooling air via a duct from a cooler place or
relocate the compressor
Instruction book
2920 7109 23