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Fix Fault Danfoss

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We have 169 questions about fixing 'danfoss'

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no heating no hot water?

i have a danfoss fp975 controler it has 2 red lights on, no time showing and nothing els happening this happend when i pressed the reset button

home Fix label Heating label_important Home Heating Systems category Danfossdone

danfoss valve?

how do i refix valve back on to radiator

home Fix label D.I.Y label_important Plumbing category Danfossdone

heating?

my system is running continously 24hrs using a danfoss fp715 timer resetting does not appear to have any effect anybody help?

home Fix label Heating label_important Home Heating Systems category Danfossdone

how can i fix my banfoss 103 timer switch so i can have heat?

i changed the plug fuse in my timer switch putting a 3amp in when i switched the switch to on it started making a sizzling sound so i changed the fuse to another 1 same thing happened after trying to ... more

home Fix label Heating label_important Home Heating Systems category Danfoss

Danfoss FP715 programmer fault?

We have a Danfoss FP715 programmer to run (or suppossed to!) our Ideal boiler. Thing is it seems to have a mind of it's own. When we turn the dial to on for hot water/heating, the boiler fires up ev ... more

home Fix label Heating label_important Home Heating Systems category Danfoss

TRV problem?

Hi I turned the TRV fully off while I was painting the room. Now I'm finished, the valve only opens two thirds of the way and wont go to max. I checked the illustrations on Screwfix and it looks like ... more

home Fix label Heating label_important Home Heating Systems category Danfoss

oil fired heating?

My daughters heating stopped working. It is a Firebird 70 boiler & riello rdb burner (located outside). When it is switched on nothing happens. I had a look at it & found the boiler thermostat (danfos ... more

home Fix label Heating label_important Home Heating Systems category Firebird

Danfoss HSV3 Valve?

Can you service/repair a Danfoss HSV3 Valve

home Fix label D.I.Y label_important Plumbing category Danfoss

how can i put my danfoss tp5000 si into manual on/off mode?

Looking for how to turn my danfoss tp5000 into manual on/off mode?? Thanks

home Fix label Heating label_important Home Heating Systems category Danfoss

Central heating stops after about 2hrs running?

I have an Ideal Mexico Super RS 80 boiler which seems to run the heating system for about a couple of hours whether on constant or timed, then shuts off. If the switch ("heating and water" or just ... more

home Fix label Heating label_important Home Heating Systems category Ideal

danfoss motor?

when i put my oil heating on the burner keeps going off and on if iremove burner from boiler it fires no problem when i put it back into boiler it goes on off

home Fix label Heating label_important Home Heating Systems category Danfossdone

Stuck Danfoss thermostat!?

Have a radiator with a Danfoss thermostat which is cold. How can I fix this?

home Fix label Heating label_important Home Heating Systems category Danfossdone

Can I remove the thermostat from my Danfoss RV?

I have put radiator covers over two radiators and find that the thermostatic radiator valves installed on the radiators and inside the covers cut off the heat. There is a build up of heat inside the c ... more

home Fix label Heating label_important Home Heating Systems category Danfossdone

Danfoss Radiator Thermo. Pin Stuck?

It is going to be sometime before anyone gets out here to fix this. So after reading a bit. Seems like this is a simple process, i have only couple questions. I tried wd-40 to loosen the pin but its ... more

home Fix label Heating label_important Home Heating Systems category Danfoss

why won't our new controller work?

we have just replaced our rf thermostat and reciever on our oil boiler from a drayton digistat + rf to a siemens RDH10rf/set-gb and cannot get the central heating to work properly we have hot water bu ... more

home Fix label Heating label_important Home Heating Systems category Danfoss

Danfoss FP715 Heating System not working?

I can manually and program the hot water to come on which works fine. The heating side does not work. I can manually push the heating control which lights up but does not switch the boiler on to hea ... more

home Fix label Heating label_important Home Heating Systems category Danfoss

Fixing danfoss thermostatic valve?

Thank you all for useful help. Once the pin has been removed, the black valve doesn t seem to move or pop back in my case. Does that mean the whole thing needs to be replaced?

home Fix label Heating label_important Home Heating Systems category Danfoss

Digital to Analogue?

Can I change the Danfoss FP715Si on my gas boiler to an analogue flash timer.

home Fix label Heating label_important Home Heating Systems category Danfoss

Timer to Randall 4033 CH Control Unit Stopped?

The programming of my CH and HW system is controlled by a Randall/Danfoss 4033 unit. I know that being an analogue system it is old technology but it does the job. The clock mechanism has just stopp ... more

home Fix label Heating label_important Home Heating Systems category Danfossdone

where can i get new control cover?

broke cover of danfoss valve of radiator

home Fix label Heating label_important Home Heating Systems category Danfoss

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