WÄRTSILÄ JOVYSTAR COMPACT S BAX 5452, Руководство по эксплуатации

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Wärtsilä JOVYSTAR COMPACT S BAX 5452 -
40 -
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 (Electronic Power Off)
Description The system is blocked due to the activation of the electronic power off button.
Possible causes Activation of the (local or remote) electronic power off button.
Solutions
1. Release the electronic power off button and reset the alarm.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A24 HIGH INVERTER / DC FUSE TEMPERATURE
Description High temperature of the heat sink on the inverter bridge or tripping of the DC fuses which protect the inverter bridge.
Possible causes
Fault of the heat sink cooling fans.
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 INVERTER OFF
Description The inverter is blocked due an operation failure.
Possible causes Various.
Solutions
1. Reset the system.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A26 COMMUNICATION LOSS
Description Internal error.
Possible causes Microcontroller communication problems.
Solutions
1. If the alarm persists, contact our Technical Support Service.
Alarm
A27 EEPROM ERROR
Description The controller has detected an error in the parameters stored in E 2 PROM.
Possible causes Wrong parameters entered during programming.
Solutions
1. Contact our Technical Support Service.
Alarm
A28 CRITICAL FAULT
Description
An alarm has been activated which causes the shutdown of part of the UPS (rectifier, inverter, static switch).
Possible causes System failure.
Solutions
1. Check which alarms are present and carry out the indicated procedures.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A29 SCHEDULED MAINTENANCE REQUIRED
Description It is necessary to carry out maintenance work.
Possible causes The time limit since the last maintenance work has elapsed.
Solutions
1. It is necessary to carry out maintenance work.
Alarm
A30 COMMON ALARM
Description
Common alarm.
Possible causes At least one alarm is present.
Solutions
1. Check which alarms are present and carry out the indicated procedures.
Alarm
A31 BUS MBCB CLOSED
Description
The manual bypass isolator is closed.
Possible causes Manual bypass isolator closed.
Solutions
1. Check the status of the manual bypass isolator.
2. Check the functionality of the auxiliary contact of the isolator.
3. If the alarm persists, contact our Technical Support Service.