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LEGRAND KEOR HPE 200 kVA Manuel De Fonctionnement page 218

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Alarm
A21
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
 Output overload.
causes
 Measuring circuit failure.
Solutions
1. Check the loads connected to the UPS output.
2. Should you need to restore the inverter supply immediately, reset
3. If the alarm persists, contact our Technical Support Service.
Alarm
A22
Description
The "Normal/Bypass" selector has been operated.
Possible
 Maintenance operation.
causes
Solutions
1. Check the selector position.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A23
Description
The system is blocked due to the activation of the emergency power off
button.
Possible
 Activation of the (local or remote) emergency power off button.
causes
Solutions
1. Release the emergency power off button and reset the alarm.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A24
Description
High temperature of the heat sink on the inverter bridge or tripping of
the DC fuses which protect the inverter bridge.
Possible
 Fault of the heat sink cooling fans.
causes
 The room temperature or cooling air temperature is too high.
 Tripping of the DC protection fuses.
Solutions
1. Check the fans operation.
2. Clean the ventilation grids and the air filters, if any.
3. Check the air conditioning system (if present).
4. Check the status of the DC fuses on the inverter bridge input.
5. If the alarm persists, contact our Technical Support Service.
Manuel de l'utilisateur de l'ASI
THERMAL IMAGE
the system.
BYPASS SWITCH
EPO PRESSED
HIGH TEMPERATURE
UPS user manual
Utilizzo dell'UPS
OMP06263 REV. D
57

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Ce manuel est également adapté pour:

Keor hpe 300 kvaKeor hpe 80kw960572