Ravenheat Whitestar problem - No CH or DHW

[stratblast]

Hi..would welcome your thoughts on this!

I have a Ravenheat Whitestar that is not firing, no CH or DHW - It's not locking out, it's not doing anything. Green light is on but the fan doesn't come on, it doesn't make a sound - no life at all!

I recently replaced the green thermistor a couple of weeks ago as the CH was locking out and switching it self off and it had been fine ever since then.

 

[stratblast]

Any ideas anyone? there's no sound from it all, doesn't try and ignite no pump nothing, yet the PCB seems to think everything is ok, green light etc.

 

[fazedup71]

have you got continuity across the pressure switch? sounds like a pressure swithc faulty, might be blocked with crud from the central heating

 

[stratblast]

Sorted it, dodgy new CH thermostat. Boiler kicked in when I was checking it with the multimeter. It's only been on 2 weeks!

 

[Agile]

A CH thermostat should not stop the boiler from working on DHW.

Thats if the thermostat was correctly connected.

Tony