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Wärtsilä JOVYSTAR COMPACT M
BAX 5480
- 82 -
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
RECT ERROR LOOP
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
CURR ERROR LOOP
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
A45
HIGH TEMPERATURE SSW
Description
High temperature of the heat sink on the static switch.
Possible
causes
Fault of the heat sink cooling fans.
The room temperature or cooling air temperature is too high.
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. If the alarm persists, contact our Technical Support Service.
Alarm
A46
PAR LOST REDUND
Description
This alarm is only active on PARALLEL systems. Continuity is not ensured in the
event of a fault on one of the UPS units.
Possible
causes
The total load is higher than the maximum expected value.
Possible failure on the measuring circuit.
Solutions
1. Check the load fed by the system.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A47
SEND PARAM ERROR
Description
Internal error.
Possible
causes
Microcontroller communication problems.
Solutions
1. Contact our Technical Support Service.
Alarm
A48
RCV PARAM ERROR
Description
Internal error.
Possible
causes
Microcontroller communication problems.
Solutions
1. Contact our Technical Support Service.