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Functional tests
Function Functions considered to be relevant by the inspection personnel must be checked to en-
sure that they are working correctly.
Inverter connection and power supply.
Grid switch-on/off
devices
Evidence of functioning is to be provided by means of measurement or visual inspection.
Inspection of AC main switch and DC main switch (carry out with no load or minimal load,
but not in standby mode).
- Switch off DC main switch ->Inverter must go into a fault condition and interrupt the
feed-in.
- Switch off AC main switch -> Inverter switches off and display turns off.
- Switch on AC main switch and DC main switch.
- Carry out fan test – see operating instructions
Displays and Op-
erating Controls
- Check the display for functionality
- Functionality of the operating controls must be checked in accordance with the oper-
ating instructions.
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