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Vaillant VR 52 - 5 Operation; Behaviour Following a Voltage Recovery

Vaillant VR 52
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Operation
22
Operating and installation instructions 0020249211_03
5
i
Note
You can find the unit number and
the QR code on the enclosed sticker
and directly on the product.
> Wait until the pairing process is com-
plete.
The signal LED lights up green. The
pairing process has been successfully
completed.
The signal LED lights up red. The
pairing process has failed. Try again.
5 Operation
5.1 Behaviour following a voltage
recovery
After inserting the product into a plug
socket or recovering the mains voltage,
the product carries out a self-test/restart
(approx. 2 sec.). The LED briefly flashes
orange and green (LED test indicator). Any