Pentair 520076 Board (lost com port)

[tom70]

It might still be worth the trouble of unmounting the Indoor Control panel and bringing it out to the IntelliCenter and connecting it up with a short run of wire (with the old wire disconnected from everything). If it works perfectly for a day or two, then that confirms the existing wire is bad. If not, then you have a new data point that might save you from pulling a new wire for nothing.

I will do this first indeed (possibly tonight if I feel motivated after work).