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Hello everyone,
After few months, regulator Vaillant VRT 350 (calorMATIC 350) is not able to remember time and date due to power outage which occurs sometimes for few minutes. Probably battery which we found under display on motherboard is dead. Can someone tell me what parameters has this battery? We would like to replace it. Also we noticed that battery is soldered to motherboard very strong and precisely.
Is that really problem of battery?
After few months, regulator Vaillant VRT 350 (calorMATIC 350) is not able to remember time and date due to power outage which occurs sometimes for few minutes. Probably battery which we found under display on motherboard is dead. Can someone tell me what parameters has this battery? We would like to replace it. Also we noticed that battery is soldered to motherboard very strong and precisely.
Is that really problem of battery?
