worcester combi boiler 28i water running cold?

had a worcester combi 28i for about 4 years and am having some problems, heating seems ok but when run a bath water runs cold after about 5 minutes and pilot is out, comes back on after about 5 minutes, reset button does not pop up, had an engineer out who did a service but problem seems to continue, is this a typical problem, is there a typical solution ?? welcome some feedback or advice.
steve steve.reddy@btinternet.com, March 2006


done
I had something similar on my Puma 80, i just turned the hot water temperature up on the boiler, mine obviously needs a new thermostat of some sort, not saying that this will cure your problem though, worth a try.
good luck.

Lloyd, March 2006
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