48
OMD94016 REV. C
Alarm
A20 OVERLOAD
Description
The current sensor has detected an overload at the output.
If the alarm persists, the thermal image protection will be
activated (alarm A21).
Possible
causes
•
Output overload.
•
Measuring circuit failure.
Solutions
1) Check the loads connected to the UPS output.
2) Contact our Technical Support Service.
Alarm
A21 THERMAL IMAGE
Description
The thermal image protection has been activated after an
extended inverter overload. The inverter is shut down for
30 minutes and then restarted.
Possible
causes
•
Output overload.
•
Measuring circuit failure.
Solutions
1) Check the loads connected to the UPS output.
2) Should you need to restore the inverter supply
immediately, reset the system.
3) If the alarm persists, contact our Technical Support
Service.
Alarm
A22 BYPASS SWITCH
Description The “Normal/Bypass” selector has been operated.
Possible
causes
•
Maintenance operation.
Solutions
1) Check the selector position.
2) If the alarm persists, contact our Technical Support
Service.
Alarm
A23 EPO PRESSED
Description
The system is blocked due to the activation of the
emergency power off button.
Possible
causes
•
Activation of the (local or remote) emergency power-off
button.
Solutions
1) Release the emergency power off button and reset
the alarm.
2) If the alarm persists, contact our Technical Support
Service.
Summary of Contents for UPS 10 kVA
Page 1: ...UPS USER MANUAL EN UPS 10 kVA UPS 15 kVA UPS 20 kVA AEG HE ...
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