Siemens remote thermostat RDJ10RF doing opposite to setting?

My Siemens remote thermostat does the opposite to what i set it to. The time i set it to turn the heating on, is actually the time it switches it off, and then the time i set it to turn off, it turns ... more

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Why has Heat Exchanger on IDEAL ISAR HE24 gone?

So... At the end of 2008 (early December, so about 4.5 years ago). We had central heating installed for the first time. An Ideal Isar HE24 Combi boiler. Not long after we had to replace the PCB (a ... more

Viessmann Vitodens 100 30kw combi?

Help/advice greatly appreciated. The boiler is heating water on demand but not heating rads. I’ve tried resetting every thing even the external Siemens thermostat but this doesn’t help. I’ve be ... more

Siemens rcr10/433 how to restart it?

My central heating stopped working but boiler and transmitting unit both seem fine and still have hot water. The receiver unit has no green light at all. Followed every instruction I can find such as ... more

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Help please with my Siemens RDJ10RF thermostat?

Hi I have just got a Siemens RDJ10RF thermostat and its driving me crazy. I have it programmed to come on at 7.30 and go off at 8.30 it doesn't go off. It also comes on about 4am for no reason. I hav ... more

How to fix Siemens RDH10RF wireless thermostat?

The red signal light keeps coming on and stopping my heating coming on. We've changed the batteries and its still not working

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Siemens boiler?

I have a Siemens boiler RCR10/433-GB. The handheld controller is RDJ10RF. The hand held controller is fine but the box on the wall won't do anything when i press the overide button. The green light i ... more

what can i do to get my radiator working? siemens thermostate?

my radiator is not working the pipe is cold and it has been bleed .it was only put in four years ago.

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my thermostat does not come on on its own?

I have a siemens thermostat and I have to tap it to work, can it be fixed or do I have to get new one ,what a load of rubbish Feb 2013

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Siemens rdj10rf?

How do i preset a temperature higher than the 12c its set at for temperature control but want heating to come on at 18c

How can I fix siemens thermostat rdj10rf?

Get a flashing red light have to press override button every 2to3 Days

Temperature control Siemens RDJ10RF?

This must be one of the worst controllers I've ever used. Am I correct in saying I can only have two time slots each day to go on and off and the temperature is kept at a level setting per my own pref ... more

Siemens RDH10RF wireless room thermostat not working?

My Siemens RDH10RF wireless room thermostat receiver unit does not show any lights. It was working perfectly a few days ago. It is getting power as I can hear it click when the heating comes on. Has t ... more

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My room stat is not talking to my boiler so no centeral heating?

Hi My room stat make/model Siemens RDJ10RF/SET-GB isnt sending a signal to the boiler it starts the heating up for about 2 minutes and then shuts it down I've changed the batteries and reset it but ... more

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How to fix a Siemens RDH10RF wireless thermostat?

Hello, I have an RDH10RF remote thermostat for my central heating. Since I put new batteries in it doesn't seem to be working properly. It is reading the room temp correctly but is not turning the hea ... more

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How to reset my siemens RDH10RF?

I changed my batteries on the siemens RDH10RF reciever but since then i have been unable to reset the system. All the lights have gone out on the transmitter whenever I press the reset button the top ... more

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How can I fix Siemens RCA/433?

I pressed the button above the reset button Now no lights at all

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How can I fix my Siemens rdh10rf?

I'm not getting any lights on my receiver hence no heating I've tried re setting both the receiver and the controller no joy!

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Resetting Siemens room stat?

I can't find the instructions. There are no lights at all on my wireless Siemens RDH10RF thermostat. I have pressed the reset button and nothing at all happens, I have tried new batters and still noth ... more

How do I fit a Siemens rdj10rf to a wocester 350 combo boiler?

I want to fit a Siemens rdj10rf to my Worcester 350 combi boiler fitted since 1998 can anyone advise me as far as the wiring is concerned