AEG UPS 10 kVA User Manual page 51

OMD94016 REV.
C 51
Alarm A32 EPO BUS CLOSED
The system is blocked due to the activation of the
Description
emergency power off button.
Activation of the (local or remote) emergency power off
Possible
•
causes
button.
1) Release the emergency power off button and reset the
alarm.
Solutions
2) If the alarm persists, contact our Technical Support
Service.
Alarm A33 ASYMMETRIC LOAD
The positive and negative voltages measured on the DC
Description
capacitors towards the middle point are different.
Possible Possible failure on the measuring circuit.
•
causes
Possible fault of DC capacitors.
•
1) Reset the system.
Solutions 2) If the alarm persists, contact our Technical Support
Service.
Alarm A34 SERVICE REQUIRED
Description A UPS check is necessary.
Possible
Possible UPS fault.
•
causes
1) If the alarm persists, contact our Technical Support
Solutions
Service.
Alarm A35 DIESEL MODE
Description The UPS is supplied by the diesel generator.
The auxiliary contact which activates the diesel generator
•
Possible
connected to the UPS is closed, and imposes this
causes
operating mode.
1) Wait for the diesel generator to stop as soon as the
mains voltage is restored.
2) Check the connection of the auxiliary contact which
Solutions
signals the diesel generator start, to terminals XD1/XD2.
3) If the alarm persists, contact our Technical Support
Service.