Hi there -
My wife and I have spent a lot of time reading through posts here so thanks for any help you can offer!
We recently had a Viessmann 100-W installed, replacing a 25 years old oil boiler that leaked itself to death. Unfortunately, our contractor hasn’t been top-notch and we’ve spent the last couple days fixing some of his work.
We have two heating zones, and the one upstairs - after making loud water gushing sounds - will no longer heat. The Taco circulating pump for the upstairs zone is trying it’s hardest to work, but blinks white, which I believe means arhat there’s air in the system. Not surprising after the gushing sounds heard in the radiators.
So! We read quite a bit on how to fill and purge the system. And when trying to follow the steps to run the bleeding program on the Veissmann, I’m finding that the up arrow won’t work on the display! All the other buttons seem to work just fine, but can’t get the up arrow to respond. I’m wondering if there’s a way to reset the display? Maybe there’s just a bug?
Anyway, any help would be greatly appreciated!
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