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- 15 Jun 2013
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Hi. I have a Vaillant VC/VCW 254 XE combo boiler. First off let me say, I DO NOT have a digital display, there is no way to see "error codes" and the boiler works fine when the flame is on. Now first, I have to turn the boiler COMPLETELY off and wait for about approx 30 minutes and turn it back on to get a flame for the water to heat back up to the temp I have it set at, THEN AND ONLY THEN can I turn on a faucet and get hot water, as soon as I turn the faucet off the flame shuts off and the flame light STAYS on and will not shut off and the water temperature drops. The Flame light WILL NOT go out and I do not get the Flame with an X through it where so I can hit the reset. If I unplug the unit and turn it off, plug it back in and turn it back on still, FLAME LIGHT IS ON, and no flame. To clear this up, it is electric start (so no pilot light), I hear no ticking of the electric start, the gas flow is perfect, already had it checked, stove still works with gas, but no flame in the boiler. Any suggestions in what is the problem? If you want I can try to post pictures of what I mean.