saving a small fortune on Eberspacher airtronic repairs !

[@pgbricks911]

Just subscribed after watching this great video and will be watching the rest of your diesel heater videos great helpful content easy to understand cheers 👍

[@kevh2311]

Thanks Karl I was about to chuck my eberspacher D2 in the bin as the ecu unit was naff so I followed your video and by god it works its been running for 2 hrs with no problems. I do feel it is running a bit hot. Bloody magic. Thanks again Kev 👍

[@karldingbat]

You can tune the fuel pump in the menu on the controller to match the burn, its under the hz setting

[@dancarter482]

@@karldingbat I've got 3 Oriental knock-offs and none of them shut down when the stat tells them it's warm enough - you can turn them al the way down but they still pump fuel unless you switch them off. My D4 goes on standby 'till the temp drops then kicks in and winds up the temp. again. Gave up on the Commie rubbish 'cause the electronics are so cheap n nasty, just throwing mystery fault codes and one replacement motor just stopped for I don't know what but the pump kept banging fuel into the burn chamber. Just lucky I was there to pull the power!

[@karldingbat]

@@dancarter482 ye, there shite, what you want me do, give you a refund ?

[@kellygb9278]

Perfect description of what you have accomplished & how to save money by logically repurposing what's available - Great idea, Liked & Subscribed

[@clivehales1919]

Thank you for this information, it's saved me a lot of headaches and swearing.

[@svkusi]

Thought it would be possible.. nice one! Now to fix my dead eberspacher, thanks for sharing!

[@nilsjohnsen7336]

Great vid man👍 Just bought a eber with broken motherboard. I will try this👍

[@pa_maj.MARTINI-van-MAN]

Yes, subbed because of this video. Well done for showing us this 👏🥇👍

[@colinhamer6506]

great stuff I've been trying to figure this out myself and like you sed no one seams to be posting videos on it you have given me a idea or two good look and all the best 👍

[@Shipfixer]

Hell yeah! I have a friend on a boat with the same exact issue. The ECU is shot but otherwise, the heater itself is in pristine condition. I have a ton of Chinese diesel heater parts. Going to do this the same as you. Instant LIKE and SUBSCRIBE! Greetings from Alaska.

[@petertrevethick9814]

Thanks for a great video. Now looking for a dud D2 to try it on.

[@roneeh5301]

the D4 has extra wires will it work?

[@BillDoran-d6k]

Hi Karl, I have bought your recommended ecu and control panel and I am happy about the connections to ecu inside heater as per video, but I have not got the chinese main loom. Is there a wiring diagram to use the eberspacher loom onto the ecu and controller and fule pump.

[@marcelbmw-fan5909]

Die Steuergeräte gibt's im ebay komplett mit Anschluss Kabelbaum aber auch einzeln 😊

[@robertharris1923]

I was wondering do that control the electrical problem with the control

[@karldingbat]

Sorry, dont understand question

[@vraymond108]

Great vid. I wonder if it would work with a D5?

[@karldingbat]

D5 ? Im not aware of this model

[@klausimai]

thanks

[@andybhoy2009]

Hi mate , how did you doagnose the faulty ecu ?... Ive got this noght heater in my wagon , everything seems to work , theres no fault codes however , the heater just blows out cold air. Ive chanfed the glow plug and the metal screen but still ,just cold air... Read up that i need to reset the codes for it start a new cycle but im ubsire how to do this eother.

[@karldingbat]

To reset the heater, you need to completely disconnect any power to it and leave for about 10 minutes i normally leave disconnected for 30 mins then reconnect and try to restart, if it starts turning and just blows cold air for about 5 mins, either the ecu is faulty, or battery power is to low.

[@ramsayward]

Well done fella.

[@kjetillunde]

Great video. 😊 How did you pull off the pins from the connectors?

[@karldingbat]

I just cut around the plastic plugs untill i got the pins out, ruins the plug but i do think you can buy tools to get the pins out without ruining the plugs.

[@kjetillunde]

@@karldingbat What is the blue and the two brown wires coming out from the board? I assume red and black is positive and negative to the battery. Is the two brown wires to the diesel pump and the blue a signalwire to the LCD monitor?

[@pa_maj.MARTINI-van-MAN]

On the Chinese heaters apparently the thermostatic control can be turned off and you can set it for constant heat and fan speed. This I have been told works on the older non digital controller. Holding down the two outer arrow buttons for a few seconds turns the blue led to red or vice versa. I'm wondering if this also works on the older eberspacher D2 controller. I have that controller but haven't tried yet, I'll give it a try later today.

[@matthewdinsdale4782]

Great stuff 👍

[@peterspence601]

Excellent thank you

[@oojimmyflip]

That ECU board also works with the Blue screen this is the setup I have got on all 3 of my chinese diesel heaters two 5kw and one 2 kw, you may need to change the settings on the lcd special settings menu if you get one the blue screens come with an lcd remote which gives you ambient temp in the room, core temp of the heater and manual to automatic controls and Hz settings in manual mode or temp settings in automatic mode and they cost about £35 for the blue screen and lcd remote with the readout screen. have you also mconsidered running it on kerosene its a lot cheaper I add 25ml of good quality 2 stroke oil to 25 litres of kerosene to lube the pump. it burns hotter by about 15 degrees C , burns cleaner no smoke at all and ignites faster than diesel, the pumps are also quieter than runing on diesel, kero in the UK is currently £108.00 per litre plus vat. as the fuel burns hotter and is thinner than diesel you tend to loose about 7 mins burn time per tank full but the cost saving is very good. lots of people on youtube report running on Kerosene for the last 3 years without any issues. you can also run at very low Hz consistantly and shut down at low Hz without the need for high Hz settings to heat the burn chamber up before shutdown I had white smoke issues on one heater running on diesel and rebuilding it didnt make any difference now it runs on kerosene without any issues what so ever. mixing Kero with the last dregs of diesel in the tank can make the exhaust a bit smelly and you will see a little smoke from the exhaust as the burn chamber is cleaned out once on full kerosene but future Kerosene only burns are very clean at startup and the smell soon goes away completely.

[@karldingbat]

I always try to use kerosene when possible but i find it prohibitively expensive £35 for 25 litres i dont know where to find it cheaply, if i could i would use it as it burns cleaner but has a slightly lower calorific value than diesel so the heater burns more for the same heat output.

[@einar7163]

Great video, thanks!I recently bought an old sailboat with an Eberspacher in it, it says made in W.Gemany on the ecu :), but the ecu is fried. Can this work on my (very) old one?

[@karldingbat]

Im not sure because the older heaters had a. Different type of glow plug that was a coil of wire, i think they use a higher current than the later ceramic type glow plug

[@craigdyer5768]

Hey mate. Great video btw 😊 From what I can see the controller does the pulsed output that powers the fuel pump on and off. Which cable is this? By the looks of it this needs to be connected to the green/red cable on the Eberspacher?

[@CriftinsCampers]

Very Interesting I have added this to my playlist on these heaters, fyi the D4+ (iirc) has one magnet on the fan but the D4 has 2 (or at least the one I bought did) so the controller would effectively seeing twice as many pulses so this idea might not work with a D4 unless the clone controllers fan rotation setting is completely configurable. I found this out by accident when I mistakenly bought a standard replacement D4 motor complete with the smaller black fan for my D4+ and it didn't like it at all until I swapped the fans blades over. How many magnets are on the D2 fan?

[@karldingbat]

Hi, thanks for the interest in my vid, the D2 has 4 magnets in the fan, but this is not a problem as the number of magnets in the fan can be set up in the hidden menu on the chinese heater so it is easy to set fan speed, fuel pump pulses per second on low and full speed and rundown cooling time, there is also a product called afterburner that can be used to set endless parameters in these heaters i am currently trying to buy 1 of these to test and run a vid on but they come from Australia so may take a while to get.

[@MrGingergod123]

Afternoon love the vids and found myself with a problematic d2, can you change the controller without changing the ECU?

[@karldingbat]

Yes, the controller on the d2 is a plug and play unit separately from the ecu inside the heater, unless some1 has wired it directly to the ecu which isnt a good idea

[@MrGingergod123]

I done some digging on mine today and the 6 cable loom that goes into the back of the controller goes straight down through to under the van where the d2 is, not found any more of the wiring, great I will try pick up a cheap Chinese controller and give it a go

[@karldingbat]

@@MrGingergod123 it may not be possible to use a Chinese controller with the standard eberspacher ecu as the Chinese controllers use a 5 volt canbus type of signal where as the eberspacher uses a 12 volt signal, if your ecu on your heater is good it would be better to use a controller for the d2 instead of causing possible damage to your very expensive d2 ecu.

[@MrGingergod123]

@karldingbat ah okay I'm not too sure if ecu is good or bad yet, was hoping for a cheap fix as my 801 controller display is messed up

[@karldingbat]

Ok, this fix was to replace both the ecu and controller if the ecu went bad as they are megga expensive, if your changing the ecu for chinese you do need the controller as well, as the chinese and eberspacher are not compatible with each other, hope this helps.

[@davidnew8831]

Will this work if I had a 24v one. So it will turn it into a 12v

[@paulcannell3904]

Great videos, keep them coming 👍, I was curious to know if I can replace the D2 control unit with the Chinese one without having to change the ecu, and if so have you an idea on wiring together 👍

[@karldingbat]

No, you can't run original ecu with chinese controller, the chinese 1 works on a 5 volt supply and turns on and off with a pulsed signal rather than a straight supply.

[@paulcannell3904]

@@karldingbat thanks for the fast reply, so it looks like I'm buying both lol not to worry, love your videos by the way 😎I'm just learning at the moment but love messing with 12 volt systems, especially with the van conversion, thanks again 👍

[@djlujoso460]

Outstanding..!

[@patrickmowatt415]

I wonder if you can help me, as I've bought a Chinese motherboard to fit to my Eberspacher D2, but it has two three pin connectors at one end and one four pin connector at the other end of the board. I have attached the four pin one to a new Chinese glow plug that already had a four pin plug on it, but I'm not sure which connector to fit the temp sensor and fan to, as they both look the same and the temp sensor will fit on either connection point on the board. I'm now waiting for a wiring loom to arrive to plug the mother board and time into? Any help will be appreciated. Thanks, Pat

[@joselamas2049]

Hi. Very interesting video. I have bought a chinese controller and installed it to a D2.I have a couple of questions. How do you wire the temperature sensors? the D2 has three wires. I guess two are temperature a probe and one must a flame sensor. How didi you wire yours? If I wire the two that come together to the same connector the controller reads as very hot and starts the fan (may be a cooling mode?) if I wire one from the 2 cable and the other from the one wire connector it reads normal temp but the I try to start the heater it fails at the glow plug stage (fan comes on, glow plug gets voltage but the it stops and comes up with E03 -glow plug) I have tested the glow plug and it is good so I wonder if it fils to see the temp rise then stops. Thanks for any help

[@karldingbat]

I should of mentioned this but totally forgot, you need the cheap Chinese sensor that fits in exactly the same place on the heater body but has only 2 wires on it, these are about a fiver each off eBay, you are not the first person to query this, i will need to try to edit the video to show this error i made.

[@joselamas2049]

@@karldingbat Ah, thanks I was going crazy testing the glow plug and trying different cable sensor combinations. I have ordered a new two wire sensor. See how it goes when it arrives

[@boot56qaz]

Any chance you can show a video, most people that buy the eberspacher heaters do not have a harness, just the plug on the heater need to see where everything goes inclunding the fuel pump with the cheap contol units?

[@austinmaxi]

Did you say it has a hall effect sensor on the Chinese ecu to pick up the fan speed?

[@karldingbat]

Yes, there is a hall sensor to pick up the magnet in the Eberspacher fan, it spins fast the first time its turned on bit then settles down to normal after. I didnt think it would work due to the Chinese heater having 4 magnets in the fan and the Eberspacher having just 1 but it did and is fine. I've used it for about a week now and no probs at all 👍

[@austinmaxi]

@@karldingbat good job! Learnt something new today ..I've actually been pondering for a while now if i could get one of these ecus to run a Webasto coolant heater. They run on pretty much the same principle so i expect they too must have some sort of fan speed monitor....if not i bet one could be fitted..

[@karldingbat]

@@austinmaxi now that is something that I hadn't thought about, it no doubt could be made to work, but the webasto fan heaters dont have a hall effect fan sensor, no doubt a small magnet could be attached and other electronics could be modified. I will ponder on this 1 a little more. Thanks for the input, its much appreciated 👍

[@mathewwest]

Just wondering what pump you used. I have a d2, put a cd ecu and controller,

[@karldingbat]

I use a d2 pump, rated at 1 to 4kw

[@tommackey3039]

I have an old D5L C with an external ECU. The ECU is not working. I got a loan of a working ECU and the heater works fine. Could I use a Chinese controller instead and will it work if mounted externally with obviously no proximity to the fan.

[@karldingbat]

No i dont think ot would work as the glow plug on those models is a coil of wire instead of a ceramic glow plug. Those plugs pull between 15 and 20 amps on start up whilst the newer 1s pull around 10 amps max, so it would overload the glow plug mosfet and shut off when trying to start.

[@tommackey3039]

@@karldingbat Could I use a relay between the ECU and the glow plug? What about fan control and feedback?

[@karldingbat]

Ok, relay may work but still going to need to put a load on the glow pin leads or the opposite problem may happen it may think the glow pin has failed, as for the fan there is a hall effect unit built onto the front of the ecu that picks up a signal from a magnet in the back of the fan. Not sure how to get round that problem.

[@andrewp8970]

Hey! Have questions about fuel pump? Which pins run fuel pump?

[@karldingbat]

The fuel pump wires run off the actual wires from the lcd control unit, not sure exactly which 1s they are but you should only have 2 left after wiring the heater unit to the heater internal black box. Its been a while since i did this and all my heaters and controls are in storage now as I've had a few issues since making this vid. Sorry.

[@andrewp8970]

@@karldingbat thank you! I just found wire harness to Chinese ecm so I will order and this harness have fuel pump out! Thanks for quick respond

[@kellygb9278]

@@andrewp8970 do a continuity check on the chinese connector block. I fought a ECU error 06 because of a bad connection for my dosing pump. Flaky intermittent connection

[@janvandeven9876]

Thanks karl,get the feeling that the uk is heated by airtronics with kerosene 😅 Here in finland mainly in cars(electric) trucks etc.

[@karldingbat]

More and more people are using aitronic and webasto heaters as the price of electric and gas prices keep getting higher and higher, its getting to the point now where we cannot afford to stay warm. But the government are looking at banning diesel heaters so we may all die of cold!!!

[@Andrew-d8i9x]

I've done the same as you but the exhaust is now coming out of the combustion inlet any ideas please

[@karldingbat]

Yep, motor is spinning wrong way change wires around!

[@Andrew-d8i9x]

@karldingbat just had another look at your video and seen the brown wire is on the out side I though it was the positive thank you very much for your reply top man

[@karldingbat]

Chinese wiring is crap! Ive noticed even the red wires can be negative they just dont give a shit and put anything in.

[@okanyyurt]

Hello, Thank you for this video, I will use this ecu for high altitute working. I know that; this control panel has pump setting whatever, Where did you buy it, can you share a link with us.

[@karldingbat]

These are available on ebay, there are a lot of sellers. Just note you also need to buy an over heat sensor for the chinese heater, it fits straight onto the eberspacher burner body as the original 1 on the eberspacher has 3 wires and the chinese only has 2.

[@okanyyurt]

@@karldingbat So I need; 1 motherboard 1 LCD controller 1 glow plug and 1 overheat sensor right? should I buy another part or wire? what do you think?

[@karldingbat]

Ye, you need lcd, mother board and over heat sensor. Original glow plug doesnt need changing, it works with chinese board. I used the wires that are on the d2 heater i just changed the plugs to fit the chinese board.

[@okanyyurt]

​ @karldingbat Thank you, I bought all items, they are on way now. I have a plan, can I connect both ecu together so I can use D2 with original ecu when I'm traveling under 1500m. Can we connect the overheat sensor together or is there a any way to connect 3wire to 2 wire? I search about it, I guess 2 wire is connected somewhere on 3 wire pt100 sensors.

[@karldingbat]

If you alter the plugs to be the same as on the original then i see no reason why not, but dont forget about the wirr differences with the overheat sensor, these will need to be swapped as well

[@lynnebishop7811]

Thanks for posting this, brilliant. My D2 the fan starts and that's about it, got error code 063 which I think is a short circuit in the 701 controller. Anyway I assume you can't wire in a Chinese timer to a eberspacher ECU. Now with this vid I can change it to a Chinese wiring loom, ECU and timer. Thanks!

[@karldingbat]

Yes you can use a chinese timer, you need to use the time output wire as the control signal, i think its the yellow wire from the 701 but dont take my word for it, im still investigating this option. Once i get a working eberspacher ecu i will post a vid. On more thing though, you will need to use a chinese overheat sensor on the main burner body as the eberspacher is 3 wire, you need the 2 wire Chinese 1 its a direct replacement and only cost about a fiver.

[@lynnebishop7811]

@@karldingbat Thanks for info. I'll get ordering. 👍 Update: Connected a Chinese timer to the eberspacher and fried it. I think the Chinese timer is 5volt and the eberspacher is 12v. 🤔

[@roneeh5301]

will it work with eberspacher controller?

[@karldingbat]

No, the controller is stand alone, it controls fan,glow plug, and pump, it also needs the chinese temp sensor to work. It completely replaces the eberspacher unit

[@roneeh5301]

Thx for letting me know I will get a cheap controller

[@MusicConnorThomas]

Do you have a link for the ECU?

[@karldingbat]

They are available on ebay for about £30 just search for chinese diesel heater controller

[@MrGingapete]

Have you ever swapped a chinese burner for an eberspacher?

[@karldingbat]

No, just control boards, but i think they are basically the same so should work.

[@gringosabe]

Hey Karl, hows ot going? Do you do mobile service on heaters? I got a vw Tucana Bluebird and i got a few electric issues the heater being one of them thst i could do with some of your expertise. Dm me if this is a work that you are able to do. Thanks for the videos

[@karldingbat]

Sorry for delay in replying. I can do depending on where you are ?

[@redrock1996]

Perfect exactly the medicine i was looking for, have a lovely D4 in me boat that needs a bit of lovin, very little use on it professionally fitted id say with no expense, be ashame to fuck it out, gonna give this a go,, nice one dude...

[@peterspence601]

Where to buy ecu and controller ebay part numbers

[@karldingbat]

Numerous 1s on ebay, just look for Chinese diesel heat ecu and controller

[@ant2524]

@@karldingbat Hi I have a eberspasher d5 would a universal 28ml fuel pump work thanks

[@ottoolsen9676]

well the chinese one is just stolen design from eberspacher, but i cant see a temperature controller w sensor on this unit, eberspacher is self regulated, and need no adjustment to keep the set temperature, this one seems manual as eberspacher in the 80's but i my be wrong.

[@xxbambamxx7261]

It is a clone of it, so every part should fit except from some of the 5kw and "8kw" heaters..

[@karldingbat]

The actual heater body is a copy but not quite a clone, the electronics have a lot of differences, they are similar but definitely not all are interchangeable.

[@kellygb9278]

@@karldingbat can I use the same cheap chinese ECU/Controller, for the 5K or the 8K chinese heaters or is there a difference in these two units?

[@karldingbat]

@@kellygb9278 there is no such thing as 8kw its marketing bull, they are all 4kw so the controllers are the same. They can be setup in the heater menu to run at different fuel mixture rates by adjusting the pulse of the dosing pump.

[@kellygb9278]

@@karldingbat Thanks, I just love how they assume we are dumb consumers at best. My 8K is still down, ran for 2 hours then crapped out!. The ECU calls for the dose pump when priming but pump won't run. Tested again in prime & this time it worked from 300 to 296, then the pump stopped but icon kept flashing for about 6 more beats,, then the E-06 Error popped up - Waiting on seller's solution

[@peterspence601]

Have you eBay details