VOLTWERK VS 3 Manuel De Service page 111

7 Maintenance and disassembly
Result
Result
48
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4. Press the button and hold it to start the fan.
You will hear the fan noise.
FAN TEST
STOP
5. Press the button and hold it to stop the fan.
Audible fan noise
| Fan is operational.
No audible fan noise
or
| Replace the fan.
7.3 Isolating the inverter
Risk of injury due to unplugging under load
| Isolate the inverter.
| Switch DC switch disconnectors to 0.
Isolating the inverter
1. Disconnect the grid via the external safety disconnector.
2. Disconnect the solar generator via an external DC
disconnect switch.
3. Ensure that the disconnecting devices cannot be switched
on again.
4. Switch DC switch disconnectors to 0.
Inverter is isolated.
Operating manual
The line flashes
Voltwerk VS 3, 4, 5