meteohub.de

All appears to be woking well but I am wondering if I have a fault with my display.

I power the display via the PSU as well as having backup batteries inserted. When the NanoSD is doing updates the illuminated screen flickers. Also very occasionally the illumination disappears completely as if the 2nd button has been pressed twice.

What size power pack and what color strap of the NanoSD.

If using the original/standard Davis power pack ~ 300mA then not enough power to run the NanoSD properly, Power pack should be 1Amp

Red Strap

Original Davis PSU
Switching Adapter #6625UK
Model: DSA-5W-05 AUK
Input 200-240V ~ 50/60Hz 0.2A
Output +5v. 0.3A

Yep you need to update/replace the Davis PSU to 1 Amp (5 volt)

I obviously missed seeing this requirement when I ordered the NamoSD.