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Most probably clutch is blocked for a reason (with a pin). It is very rare situation clutch would be broken.

@ thanks for the reply:).Maybe I need to clarify a bit. I had taken out the head. When I wanted to put it back in I might have turned the clutch a bit too much, and now its stuck and i can see one of the clamps stick a bit out so that i cant put it back with the pin. It there a way to dismantle reset the clutch so it turns and the clamps work? Thx again for you help:)

@@GS1nOnly OK. Just hold the head in one hand and with another turn the clutch clockwise till the end till clamps releases. Holding like this, mount the head and after it is mounted release the clutch. Did it helped?

dU= Dual mode. The thermostat controls a radiator and floor heating circuit(s). Floor heating circuits assures min. floor temperature and the radiator is used for peak load. It only works if you have connected radiator with thermal actuator (as. an example Danfoss TWA-K) to Icon Master Controller output and selected it as "FAST" heating. Underfloor heating actuator also has to be connected to Icon Master Controller output with selection "SLOW" heating. Let's say we have now #1 output - Radiator heating, #2 output Underfloor heating - and those outputs are programmed to one room thermostat Icon RT with IR sensor. Icon RT with IR has to be mounted to have possibility to measure floor temperature. It can not be placed above floor without underfloor heating pipes installed. During operation in case there is a heat demand Icon MC will open underfloor heating circuit first, will measure floor surface temperature and will decide if radiator heating is need to have desired temperature on time.

@@heatingsolutions123 So this function has nothing to do with the eTRV thermostat on the radiator (as an example Danfoss 014G2460)? It only controls the heating actuator on the manifold? Is this correct?

@@realyenman Yes. Icon RT has nothing to do with eTRV 014G2460 It is dedicated for underfloor heating actuator control. For eTRV remote temperature measuring there is a sensor 014G2480.

ER06 is Communication lost to room thermostat. It says: "Identify the room thermostat by looking at the flashing outputs on the Danfoss Icon™ Master Controller 24V, or look at the thermostats. Wake up thermostat, then press on the thermostat Failing thermostat will say “NET ERR” Replace batteries on room thermostat and perform a network test (activate NET TEST in menu on room thermostat). I see you have watched the video, how to enter menu: ruclips.net/video/tO9tCZp9YIc/видео.html You need to hold arrow till you get in to menu. Try different finger. Sometimes it helps. If does not: 1.) delete faulty output from Icon MC controller. Select Uninstall, select output and push OK. 2.) factory reset on room thermostat: but just a thermostat, video from 1:18s ruclips.net/video/ErfuVqSK-8o/видео.html 3.) program thermostat to Icon MC output: ruclips.net/video/2HrkCJHfqbw/видео.html

Resetting Icon or Icon2 thermostat deletes binding to controller output. If you did so, you need to factory reset Main Controller also and bind actuators and room thermostats from beginning: Icon first generation Master Controller Reset: ruclips.net/video/ErfuVqSK-8o/видео.html Icon first generation system binding/programming: ruclips.net/video/2HrkCJHfqbw/видео.html Icon 2 Master Controller Reset: ruclips.net/user/shortsxS5BAQT09KQ Icon 2 fast binding/programming: ruclips.net/video/jH811YLPAw4/видео.html Icon 2 advanced binding/programming: ruclips.net/video/zIZuP63CJY4/видео.html

Resetting Icon or Icon2 thermostat deletes binding to controller output. If you did so, you need to factory reset Main Controller also and bind actuators and room thermostats from beginning: Icon first generation Master Controller Reset: ruclips.net/video/ErfuVqSK-8o/видео.html Icon first generation system binding/programming: ruclips.net/video/2HrkCJHfqbw/видео.html Icon 2 Master Controller Reset: ruclips.net/user/shortsxS5BAQT09KQ Icon 2 fast binding/programming: ruclips.net/video/jH811YLPAw4/видео.html Icon 2 advanced binding/programming: ruclips.net/video/zIZuP63CJY4/видео.html

Holiday mode is nothing special. It is just an easy way of setting a temperature. It is good, house is well insulated as it keeps 19C for a long time. 16C is safe temperature for most of buildings. If you have some doubts there might be some problems with electricity, gas supply, heat supply ... Thermostat or system with remote control could be an option. I would then recommend: Danfoss Icon 2 or Devi SMART thermostat. ruclips.net/video/zIZuP63CJY4/видео.html ruclips.net/video/vcQJ8Ch77sc/видео.html

This one is most commonly used:)

I gathered, thanks. I think you’ve saved a lot of people a lot of frustration. Appreciate this video.

Holiday mode works only on manual on and off. Unfortunately there is no timer for it.

@@heatingsolutions123thank you! so if i have it on manual and on holiday mode then it will only turn off when i turn it off?

@@simrankainth5458 turning thermostat off with button on top will switch it to frost protection mode. Usually 5°C. Use M button to switch it to "suitcase" - holiday mode. Or if you are using Manual temperature control, just go down with temperature setting to let's say 16°C. Or lower setting, but lower is not recommended to wood furniture or covering.

@@heatingsolutions123 i have switched it to holiday/suitcase mode using the M - my question is will it stay on suitcase mode until i come back from holiday and take it off suitcase mode by myself? thanks! i want it to stay on suitcase mode while i am on holiday but i am scared it will turn off automatically

Hi! It might happen mark is not exactly in front. There is no problem if so.

@heatingsolutions123 Ok. Thanks a lot. Just for my understanding: Mark position dosnt matter at all? For example can be on back, some on side? All idea is to find it and line up it with number (1-7) or N we want?

@@kristofp3350 Mark position should be visible from front or side. Main idea is a you say, to line it up with number 1-7 or N. N is factory setting, so marking will be lined to N

Thanks for your feedback! I’m glad the video was helpful and that you were able to figure out!

@@demoix how do you switch it to over ride timed without having to go to boiler to change over

@@Youdolooklovely Not sure what you mean, but I set mine on manual mode on thermostat for 20c all day and night and left boiler on all the time, which basically what I want in winter to keep the same temperature all the time. If I would got somewhere longer for few days, I would either turn off boiler at all, or lower the temperature via thermostat, easy

Thanks for your comment! It might seem like a 'dark art' at first glance, but it's actually about precision and efficiency.

Yes, you are right. Heating will turn on only at frost protection temperature is reached.

Just go to service menu, hold "M" for 6s. Select P01 01 - Manual temperature operation. Selecting higher or lower temperature with < and > comparing to measured will turn your heating on and off

Sorry, I do not understand the issue. Could you explain in more detail?

Hi, 4 times change will give you morning and evening heating. Lest say morning 1time (6:00, 22C) 2 time (8:00, 20C) - it means you have used 2 times, but higher temperature will only be from 6:00 till 8:00 (22C). Same with evening.

I can only suggest to reset it: ruclips.net/video/5fzT1mMkY7g/видео.htmlsi=sO_CVrOiZKxadF1- If this does not help, you need a new one.

Is there all ok with mains supply? Is there electricity comming. If yes, MC probably is "dead" :(

It seems Master Controller is "dead" probably you need a new one :(

@ thank you for the information! I think so indeed. I’ll tell the landlord to replace it! 😅

Sorry. No. It is not possible to use Icon1 thermostats with Icon2 MC.

I would then: activate display back light to be on, hold "M" for six sec. and select P01 - 01. You will have Manual temperature adjustment. With < > select temperature you want. Thermostat will maintain it.

WT-P thermostat is not suitable for electrical heating. Only for water based.

Sorry my mistake for not claryfying, mine is "Danfoss ECtemp Next Plus" thermostat.

Thank You! :)

P01 is empty, P02 is room temperature sensor offset, P03 is underfloor sensor offset

Hi, I would select then: P02 02 - ON/OFF standart operation. Boiler is ON till set temperature is reached. and P03 01 - Normal start control. Out of all of these settings: P01 01 - Manual temperature operation P01 02 - Schedule timer 5/2 day P01 03 - Schedule timer 24h P02 01 - ON/OFF Load compensation is enabled. ON/Off load compensation is a feature of temperature control products such as room thermostats and programmable thermostats. On/Off load compensation is a proven method of minimising energy use by calculating the demand from a thermostat. As the temperature approaches the required setting, the boiler will fire for shorter periods of time, ensuring a constant temperature is maintained. This not only enhances comfort levels, but also uses less energy. On/Off load compensating products are ideal for use with modern systems in well-insulated houses. Recommended for use with gas condensing boilers. Thermostat prevents boiler working for too long period of time. In this way, the heating works more efficiently, as the return temperature of the heating return is lowered. Condensation is better. Less gas is consumed. P02 02 - ON/OFF standart operation. Boiler is ON till set temperature is reached. P03 01 - Normal start control. P03 02 - Delayed start of heating. TP5001 thermostat includes an optional delay start feature to hold off the heating for a time on mild days when the room temperature at the start of an event is close to the programmed value. Recommended for use with gas condensing boilers in order to use less gas. In other words, it is an economic mode. P03 03 - Optimised start control. TP5001 thermostat includes an optional optimum start control. This feature allows you to set the time at which you require a room temperature by. The thermostat then calculates how soon before the event time the system must be turned up to ensure that the room is at the temperature by the required time. Heating can be started maximum 120 min before schedule. P04 - Temperature limitation high P05 - Temperature limitation low P06 - Frost protect temperature P07 - Away mode temperature P08 01 - Timer display 24h P08 02 - Timer display 12h P09 - Service due setup. Installer setting only P10 00 - RF Pairing mode OFF (TP5001RF only) P10 01 - RF Pairing mode ON (TP5001RF only) P11 01 - Auto daylight saving ON P11 02 - Auto daylight saving OFF

P01 is Manual mode. Here is video how to setup this thermostat: ruclips.net/video/Nzqw2VN4pOY/видео.htmlsi=tlVa4Dm_6_nuewKw

@heatingsolutions123 You mean that P01 setting accesed from "secret" menu (entered when device is off) and P01 accesed from regular settings menu (entered when device is on) is same setting?

@@bojanmihajlovic7717 no, they are different settings

@@heatingsolutions123 Sorry, I am confused now. Can you explain me in following way: P01 setting from "secret" menu is... P01 from regular settings menu is... Thank you for your time and patience! Best regards!

@@bojanmihajlovic7717 Hi, forget this secret menu. It is only for temperature reading calibration. Please use regular menu only. In regular Menu set manual control. Hold M for 6s. select P01-01. And if your heating still does not come on , when set T is higher comparing to real T, thermostat is broken or there is something wrong in installation

Most probably room temperature is lower comparing to holiday temperature.

:):):)

There are several questions then: What is your set room temperature and what is real room temperature? What is your underfloor temperature set and measured? What is your min and max floor temperature limitations?

@ is it possible to contact you through the phone for faster response? Floor temp is 35 i set 24 room temp shows 29 but actual is 23 and i chose simple not programmed program just want to set temp and have warm floor nothing else (its a bathroom)

@ tell me all the steps in settings i have to do to make it active for example i want to have 22-23 degrees on my floor thnx in advance

@@BigOne-AV select floor temperature control only then, and set floor temperature 22-23 degrees, but usually 22-23C is not enough for most. Floor max temperature (35C) is only for limitation to save from overheating.

@@heatingsolutions123 so its like P02-02 and just < or > to adjust temp . Because it still not heating no click sound and no heat simbol. Its strange that this product is so complicated When i do P02-02 it shows 36 degree

Thanks!

Probably something is wrong with installation. I would reset everything (Master controller, room thermostats, App...) and would start all over all programming process. (How to reset there are videos done)

What application you are using? Send me system installation foto's to: andtimofejev@gmail.com

Hi, OK. This is not easy, but manageable. If you have got Icon first generation MC and you are using Icon App. And you have made reset on Icon first floor master. You need to do this: 1.) reset Icon master second floor controller too 2.) reset 2nd floor all room thermostats 3.) disconnect all actuators and room thermostats if wired from 2nd MC 4.) if you have wired connection then leave 2nd MC in place, if you have radio connection. dissmount and take 2nd MC closer to 1st floor MC (1 meter distance). Both has to be with Radio modules. Pair them as instruction says: Connecting more Danfoss Icon™ Master Controllers in a system If wired system Connect up to three Danfoss Icon™ Master Controller 24V to each other with a 4-wire twisted pairs cable and the supplied connector (pic. 10: A - 4 (2 × twisted pairs), B - Max. 3 x Master Controllers in one system). See data table in the back of installation guide for wiring recommendations. If wireless system Wireless connection of up to three Danfoss Icon™ Master Controllers 24V requires a Radio Module with each Master / Slave (pic. 11). Pairing System Master and Slave in both wired and wireless systems Note! Slave Controllers must be assigned as System Slaves before assigning outputs and thermostats to them. 1. On the selected system master, press to select INSTALL mode and press OK. 2. On the system slave, press and hold for 1,5 sec. The display now toggles between SLA TYPA and SLA TYPB. 3. Press to choose between the two slave types and confirm with OK. See “Slave type definition” section for explanation. 4. Repeat step 1-3 to assign a second Slave Controller to the system (max. two slaves are permitted). Instruction is here: assets.danfoss.com/documents/157226/AN29434614196101-000402.pdf Good Luck! Let me know how was it.

@@heatingsolutions123 Good morning, Finally I made it. I Reset both Master Controllers and input again the thermostats. Thank you

@@futurechannel001 Thank You for a good news! :)

Sorry, there is no possibility to calibrate this thermostat. I can say these thermostats are quite precise. Off course there might be difference in temperatures. If for example you would place three thermostats in same place. Temperature readings might be different. Temperature reading +/- 0,5°C is acceptable. Also I would advice to try placing thermostat to another place.

@heatingsolutions123 unfortunately, I can't place it somewhere else, as it is wired. Anyway, thanks a lot for the prompt response!

@@OleksandrKovban OK, no problem:)

Thank You for your feedback!

Sorry, It is hard to say. But why would you need to turn it Off. You can go down with temperature, or switch frost protection.

@ how to switch to frost protection without turn of button

@@jefe108-f1i Hmm, yeah. For frost protection you need this power on/off button :(

@@heatingsolutions123 okej so i am okay if i set it like to 15 degrees, and turn off my radiators and it will not heat and thats it 😁

@@jefe108-f1i yes, that is right!

Hi! :) Thank You for Your feedback. I will try.

Hi! Reset has to be done for Master controller: ruclips.net/video/ErfuVqSK-8o/видео.htmlsi=NCcsQEX7S1BX9MTu And for Thermostats also: ruclips.net/video/ErfuVqSK-8o/видео.htmlsi=qc5OFjyzPN8hMf0U And any other devices separately: App module, Radio module etc... To mach circuit with room there is no other way as to close all circuits. And open one by one looking where heating starts. To heat up one circuit it takes minimum one hour. For better result increase supply temperature. Thermal camera will help to find faster.

Hmm, might be you have got different thermostat. Video on WT-P menu is here: ruclips.net/video/Nzqw2VN4pOY/видео.htmlsi=DC98V61bxm78qi74

@@heatingsolutions123 I just bought danfoss EC temp next plus and after instalation i can navigate through all menus everything works fine except heat is not kicking in so does no heat simbol ( electric mat floor) need help

Hi! :) Thank You for Your feedback!

Did you try manual mode?

Thank You! Good know!

Hmm, sorry. How can I help you?

You can switch to holiday mode or frost protection mode, or simply you can go down with temperature. Or with ON/Off button.

Sorry, It is how it is :(

Good to know :) Thank You!

Which one did you chose: P01 01 - Manual temperature operation P01 02 - Schedule timer 5/2 day P01 03 - Schedule timer 24h Should be: P01 02 - Schedule timer 5/2 day

Only 24V or wireless Icon thermostats connected with Icon controller can be controlled by an App. ruclips.net/video/52wKnb-YC9A/видео.htmlsi=O8w5O3FeVaIm02FC or ruclips.net/video/zIZuP63CJY4/видео.htmlsi=2w8AIaDGEIBDauwe

My thermostat doesn't show the up and down arrows when connected, nor heating icon at the top. Do you know any possible reason for that?

Good to know! Thank you!