Hot water but no Central Heating Baxi 80e

[steveosr]

Got a baxi 80e. Hot water coming out of all taps and boiler fires up soon as tap opened but absolutely no heating. Central heating led on boiler not on either, have set thermostat to max and central heating temp also but nothing. no error codes either.

Diverter valve pin is moving in and out freely.

 

[picasso]

Programmer (if you have one ) switched to constant ?

 

[steveosr]

Yes, have programmer on constant, have also tried with timer position but nothing.

 

[picasso]

What type of stat you got ?

 

[ianmcd]

post a pic of your external controls , it is not a boiler problem

 

[Deleted member 267285]

Selector switch?

 

[Alec_t]

Any zone valve switches involved?

 

[steveosr]

it was the pcb, replaced and now working.

got a tip from this thread https://www.diynot.com/diy/threads/baxi-combi-105e-no-central-heating.215125/