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Wärtsilä JOVYSTAR COMPACT M
BAX 5480
- 81 -
Alarm
A32
EPO BUS CLOSED
Description
The system is blocked due to the activation of the emergency power off button.
Possible
causes
Activation of the (local or remote) emergency power off button.
Solutions
1. Release the emergency 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
Failure on the measuring circuit.
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
UPS fault.
Solutions
1. If the alarm persists, contact our Technical Support Service.
Alarm
A35
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
DC FASTSHUTDOWN
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
INV --> LOAD
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
INV ERROR LOOP
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.