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UPS user manual
62
OMH44150 REV. B
7.2 TROUBLESHOOTING
Alarm
A1
MAINS FAULT
Description
The voltage or frequency of the input line are out of tolerance.
Possible
causes
Mains instability or failure.
Wrong phase rotation.
Solutions
1. Check the connections to the mains.
2. Check the stability of mains voltage.
3. If the alarm persists, contact our Technical Support Service.
Alarm
A2
INPUT WRONG SEQUENCE
Description
The phase rotation on the rectifier input line is wrong.
Possible
causes
Wrong connection of power cables.
Solutions
1. Check the phase rotation.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A3
BOOSTER STOPPED
Description
The rectifier has been temporarily disconnected and the inverter is fed
by the battery.
Possible
causes
Instability of the AC line voltage or frequency.
Possible fault in the rectifier control circuit.
Solutions
1. Check the parameters of the AC line voltage.
2. Restart the device.
3. If the alarm persists, contact our Technical Support Service.
Alarm
A4
BOOSTER FAULT
Description
The rectifier has been disconnected due to an internal fault.
Possible
causes
Possible fault in the rectifier control circuit.
Solutions
1. Check which alarms are present and carry out the indicated
procedures.
2. Restart the device.
3. If the alarm persists, contact our Technical Support Service.
Summary of Contents for UPSaver 1000 kVa
Page 2: ...UPS OPERATING MANUAL UPSaver 400 1600 kVA ...
Page 5: ......
Page 7: ...Warnings and general information 2 OMH44148 REV A ...
Page 13: ......
Page 20: ...UPSaver installation and start up OMH44149 REV C 7 ...
Page 33: ...UPSaver installation and start up 20 OMH44149 REV C Picture 6 Handling of the power module ...
Page 57: ...UPSaver installation and start up 44 OMH44149 REV C Picture 46 UPS cabinets upper fixing ...
Page 59: ...UPSaver installation and start up 46 OMH44149 REV C Picture 49 Power module cables terminals ...
Page 115: ...UPS user manual 6 OMH44150 REV B ...