Worcester combi 30cdi greenstar hot water no heating

[Andy Pyatt]

Hi, the boiler will supply hot water but no heating,have reset boiler.system pressure ok, have checked room stat is operational. will run heating in chimney sweep mode. but nothing after that.

 

[RandomGrinch]

Have you seen this thread?
https://www.diynot.com/diy/threads/chimney-sweep-mode.145913/
Basically, bypass the stat at the boiler, and see if that works?

 

[CBW]

Do you have a timer/additional switch?

 

[Andy Pyatt]

No, just a thermostat,

 

[CBW]

Is the boiler stat turned up? You could try as Random grinch has said and link out the thermostat.

 

[ianmcd]

pics of thermostat and boiler control panel when heat load is demanded would help

 

[Andy Pyatt]

have linked out stat at the boiler connections and still no heat

 

[ianmcd]

well post some pics then