Hi,my boiler has developed a fault on DHW supply,when asked for hot water, system fires up runs for 30 seconds or so,LEDs light up then jump to 70 and boiler stops,then restarts after 15 seconds then does the same.Diaphragms have been changed in diverter valve assembly,spindles operate ok on DHW and CH valves.PCB has been changed recently and boiler cleaned and serviced. Model Baxi 105e,
any ideas or help most welcome,thanks

Sileemos, March 2012

Deano,finally got round to replacing heat exchanger,everything is working fine,many thanks for the advice,much appreciated.

Sileemos, April 2012

Wow,thanks for such a quick response,will give it a clean out tomorrow and let you know what happens.
Many thanks Deano.

sileemos, March 2012

plate heat exchanger is blocked

DEANO RGI, March 2012