LEGRAND KEOR XPE Serie Manuel De Fonctionnement page 290

Alarm
Description
Possible
causes
Solutions
Alarm
Description
Possible
causes
Solutions
Alarm
Description
Possible
causes
Solutions
72 OMAF9213 REV. A
KEOR XPE UPS user manual
Manuel de l'utilisateur de l'ASI KEOR XPE
Utilizzo dell'UPS KEOR XPE
AS20 OVERLOAD
The current sensor has detected an overload at the output. If the alarm
persists, the thermal image protection will be activated (alarm A21).
or
At least one Power Unit has enabled alarm A20 OVERLOAD.
➢ Output overload.
➢ Measuring circuit failure.
➢ Refer to alarm A20 OVERLOAD of the Power Unit.
1. Check the loads connected to the UPS output.
2. Refer to alarm A20 OVERLOAD of the Power Unit.
3. If the alarm persists, contact our technical support service.
AS21 THERMAL IMAGE
The thermal image protection has been activated after an extended
inverter overload. The inverter is shut down for 30 minutes and then
restarted.
or
at least one Power Unit has enabled alarm A21 THERMAL IMAGE.
➢ Output overload.
➢ Measuring circuit failure.
➢ Refer to alarm A21 THERMAL IMAGE of the Power Unit.
1. Check the loads connected to the UPS output.
2. Refer to alarm A21 THERMAL IMAGE of the Power Unit.
3. If the alarm persists, contact our technical support service.
AS22 BYPASS SWITCH
The "Normal/Bypass" selector has been operated.
➢ Maintenance operation.
1. Check the selector position.
2. If the alarm persists, contact our technical support service.