LEGRAND VR61-18 Manuel De L'utilisateur page 50

Alarm
Description
Possible
causes
Solutions
Alarm
Description
Possible
causes
Solutions
Alarm
Description
Possible
causes
Solutions
Alarm
Description
Possible
causes
Solutions
50 OMP06145 REV. D
UPS user manual
Manuel de l'utilisateur de l'ASI
Utilizzo dell'UPS
A13 INV OUT OF TOL
The inverter voltage or frequency are out of tolerance.
➢ Inverter shutdown due to an alarm.
➢ Inverter failure.
1. Check which alarms are present and carry out the indicated
procedures.
2. If the alarm persists, contact our Technical Support Service.
A14 BYPASS WR SEQ
The phase rotation of the bypass line is wrong.
➢ Wrong connection of power cables.
1. Check the phase rotation.
2. If the alarm persists, contact our Technical Support Service.
A15 BYPASS FAULT
The voltage or frequency of the bypass line are out of tolerance.
➢ Bypass line instability or failure.
➢ Wrong phase rotation.
1. Check the connections to the mains.
2. Check the stability of mains voltage.
3. If the alarm persists, contact our Technical Support Service.
A16 BYPASS --> LOAD
The load is fed by the bypass line.
➢ Temporary changeover due to inverter failure.
1. Verify the inverter status and check whether other alarms are
present.
2. If the alarm persists, contact our Technical Support Service.