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Manuel de l'utilisateur de l'ASI KEOR XPE
Alarm
A24
Description
High temperature of the heat sink on the inverter bridge or tripping of
the DC fuses which protect the inverter bridge.
➢ Fault of the heat sink cooling fans.
Possible
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.
Alarm
A25
Description
The inverter is blocked due an operation failure.
➢ Various.
Possible
causes
Solutions
1. Execute the alarms resetting procedure.
2. If the alarm persists, contact our technical support service.
Alarm
A26
Description
Internal error.
➢ Microcontroller communication problems.
Possible
causes
Solutions
1. If the alarm persists, contact our technical support service.
Alarm
A27
Description
The controller has detected an error in the parameters stored in
EEPROM.
➢ Wrong parameters entered during programming.
Possible
causes
Solutions
1. Contact the technical support service.
Alarm
A28
Description
An alarm has been activated which causes the shutdown of part of the
Power Unit (rectifier, inverter, static switch).
➢ System failure.
Possible
causes
Solutions
1. Check which alarms are present and carry out the indicated
2. If the alarm persists, contact our technical support service.
KEOR XPE UPS user manual
Utilizzo dell'UPS KEOR XPE
HIGH TEMPERATURE
INVERTER OFF
INTERNAL CPU ERROR
EEPROM ERROR
CRITICAL FAULT
procedures.
OMAF9213 REV. A
91
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Chapitres
