Wärtsilä JOVYSTAR COMPACT S
BAX 5452
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41 -
Alarm
A32 BUS 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
A33 ASYMMETRIC LOAD
Description
The positive and negative voltages measured on the DC capacitors towards the middle point are different.
Possible causes Possible failure on the measuring circuit.
Possible fault of DC capacitors.
Solutions
1. Reset the system.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A34 SERVICE REQUIRED
Description
A UPS check is necessary.
Possible causes Possible UPS fault.
Solutions
1. If the alarm persists, contact our Technical Support Service.
Alarm
A35 BATTERY IN DIESEL MODE
Description
The UPS is supplied by the diesel generator.
Possible causes The auxiliary contact which activates the diesel generator connected to the UPS is closed, and imposes this operating mode.
Solutions
1. Wait for the diesel generator to stop as soon as the mains voltage is restored.
2. Check the connection of the auxiliary contact which signals the diesel generator start, to terminals XD1/XD2.
3. If the alarm persists, contact our Technical Support Service.
Alarm
A36 FAST SHUTDOWN
Description
Inverter shutdown due to the operation of the protection sensor as a result of sudden DC voltage variations.
Possible causes Battery fault.
Solutions
1. Check the battery.
2. Reset the system.
3. If the alarm persists, contact our Technical Support Service.
Alarm
A38 INVERTER FEEDS LOAD (Only in ECO-mode)
Description
The load is fed by the inverter. This alarm is active for UPS systems in „ECO“ mode, where the preferential supply is
from the bypass line.
Possible causes Temporary changeover due to bypass line failure.
Solutions
1. Verify the status of the bypass line and check whether other alarms are present.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A39 INVERTER LOOP ERROR
Description
The control is not able to regulate the inverter voltage precisely.
Possible causes Regulation system failure.
Solutions
1. Reset the system.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A40 SSI FAULT
Description
The system has detected a failure in the static inverter switch.
Possible causes Possible problems on the loads.
Static switch fault.
Solutions
1. Check the absorption of the loads and the presence of DC components, if any, on AC current.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A41 RECTIFIER VOLTAGE LOOP ERROR
Description
The control is not able to regulate the rectifier output voltage precisely.
Possible causes Regulation system failure.
Solutions
1. Reset the system.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A43 RECTIFIER CURRENT LOOP ERROR
Description
The control is not able to regulate the rectifier output current precisely.
Possible causes Regulation system failure.
Solutions
1. Reset the system.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A44 DESATURATION
Description
The inverter is blocked due to the operation of the desaturation sensor of the IGBT drivers.
Possible causes Inverter bridge fault.
Solutions
1. Reset the system.
2. If the alarm persists, contact our Technical Support Service.