Also a negatieve temperatures causes the script to fail

I wrote this python script for use with my APS ECU-R. https://github.com/daanvdl/-ecu2pvoutput (I dont own a ECU-C, so i can't confirm this will work well with the APS ECU-C) It scrapes the HTML form on the local webinterface, sum the panel values,collects voltages and inverter temperture and push ...