Fault finding a Shades of Coffee PID Installation
Classic Pro (RI9380) / Classic 2019 (RI9480) PID Kit Fault Finding Help
Please follow this decision tree diagram - starting at the top with "PID display on?" and running down the tree following Y or N responses to questions, and checking any solutions provided in the blue boxes.
If you hit a black box or run out of options then please contact us using webchat down in the corner...