Bosh RD 532 Combi - no hot water no heating!

[Andyexley]

Hi really need advice with this please!

I have a bosch RD 532 combi boiler. The CH and hot water are not working. The boiler is around 4 years old and i\\\'ve never had any problems before. The pressure gauge is on 2. The digital display is reading numbers between 15 and 20. It usually reads anything between 25 and 50. I assume this is the temperature of the water flow??

After a while the display flashes C1which it has never done before. I have tried using the reset button but it doesnt help.

Any ideas of how to sort this or what the problem is would be greatly appreciated. I wont be working on the boiler myself but would like to know before calling an engineer.

Thanks!

 

[Breesey]

Do you have the user manual? What does it say about fault code C1?

 

[Andyexley]

Yes I have the manual but it doesn't say anything about fault codes which is very strange. When I press and hold the reset button it displays FO or FD?

Yesterday I did notice the pressure gauge had gone down but I sorted that.

 

[Andyexley]

Also the burner light isn't illuminated which I assume means the burner is off. If thats the case I have no idea how to re-ignite it.

 

[Andyexley]

Please help! Anybody?

 

[Andyexley]

Surely somebody must have some idea of how this boiler works?!?!?!?

 

[Rob]

probably overtheated. Maybe you should call a boiler man!

 

[Andyexley]

Just found the codes in the manual.

C1 means fan speed to low. FO means an internal error, possibly need to replace the pcb. FD means the reset button has been pressed by mistake.

Looks like I need a boiler man out! This aint what you need on a Sunday!

 

[Softus]

Yes. You need a boiler engineer.

You'd be well advised, to make sure that whoever you call is CORGI registered and that they bring with them proof of such.

 

[Andyexley]

Does anybody have any idea idea this costs? It looks like I may need a new fan.

 

[Bahco]

A friend had a new fan a few months ago.

It was around £180

 

[Softus]

It was around £180

It's a mistake to ask for price information on the forum.

It's a bigger mistake to give it.

 

[Bahco]

All I need now is a mod pointing me to forum rule 9!

 

[nickso]

the fan may just be full of water and need drying out, seen this a few times now.

the FO code could mean its the pcb not sending power to the fan hence low fan speed.