No central heating after Worcester 24i Junior service

[podgert]

I had my combi boiler serviced in June. I had to call the engineer back the next day because he left me without hot water. He came and fiddled for two minutes with something under the base of the boiler - and my hot water was restored.

Now with the cold weather approaching I've just tried to turn on my central heating for the first time. The boiler fires up and runs perfectly, but the radiators remain stone cold. They all have individual thermostats fitted and I also have a remote room thermostat. All thermostats are turned up. The remote is configured correctly and shows the 'demand heat' symbol. The pressure gauge is in the green, so I'm guessing the problem I'm having with the radiators is the same as the one I had with my hot water. Rather than call out the engineer again I'd like to fix the issue myself. I've downloaded the instruction manual and wonder if the CH Flow valve is the culprit.

Can anyone tell me how to operate it - or advise on what else might be stopping my radiators from working?

Many thanks

 

[mountainman]

It's probably something simple but you be best advised to call your engineer back as guessing will only waste your money.

 

[gassafe]

I had my combi boiler serviced in June. I had to call the engineer back the next day because he left me without hot water. He came and fiddled for two minutes with something under the base of the boiler - and my hot water was restored.

Now with the cold weather approaching I've just tried to turn on my central heating for the first time. The boiler fires up and runs perfectly, but the radiators remain stone cold. They all have individual thermostats fitted and I also have a remote room thermostat. All thermostats are turned up. The remote is configured correctly and shows the 'demand heat' symbol. The pressure gauge is in the green, so I'm guessing the problem I'm having with the radiators is the same as the one I had with my hot water. Rather than call out the engineer again I'd like to fix the issue myself. I've downloaded the instruction manual and wonder if the CH Flow valve is the culprit.

Can anyone tell me how to operate it - or advise on what else might be stopping my radiators from working?

Many thanks

The boiler fires up and runs perfectly? Where is the heat going then...?

 

[Dotty]

Afraid you can't do anything with that boiler. Removing the case is illegal unless you are a GSR.

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Thank you.