Vaillant ecotec pro 28 (with timer)

Vaillant ecotec pro 28 (with timer)

Vaillant ecotec pro 28 (with timer)

Hi, am in a bit of a pickle.....

So I have the vaillant ecotec pro 28 with timer, and when I was installing hive thermostat as in manual. Took the 24V RT bridge wire out, then connected hive to the 230V RT pin, set everything up and about 10 minutes after putting the heating on through the thermostat the pressure went up to 3.1bar and the display started flashing. Now it didn't show any error code. I've also seen egg timer sign come up, which I haven't noticed before. Up to now I've always...

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by David Titz

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