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UPS user manual
OMH44150 REV. B
67
Alarm
A21
THERMA IMAGE
Description
The thermal image protection has been activated after an extended
inverter overload. The inverter is shut down for 30 minutes and then
restarted.
Possible
causes
Output overload.
Measuring circuit failure.
Solutions
1. Check the loads connected to the UPS output.
2. Should you need to restore the inverter supply immediately, reset
the system.
3. If the alarm persists, contact our Technical Support Service.
Alarm
A22
BYPASS SWITCH
Description
The “Normal/Bypass” selector has been operated.
Possible
causes
Maintenance operation.
Solutions
1. Check the selector position.
2. If the alarm persists, contact our Technical Support Service.
Alarm
A23
EPO PRESSED
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
A24
HIGH TEMPERATURE
Description
High temperature of the heat sink on the inverter.
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.
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 ...