Chinese diesel heater Dim LCD display fix/hack

Рет қаралды 37,913

Күн бұрын

Chinese diesel heater LCD displays become dimmer over time as the LED backlighting ages. In this video, we Hack an easy fix by hot-gluing an extra LED on the side of the LCD Light diffuser and solder it into the +5 volt and GND.

Пікірлер: 72

@ralphmalph3782 3 жыл бұрын

I installed my heater a week ago and finding it very hard to read in the day time. Thank you, a great how to for an easy fix. Cheers

@randydicotti3975 3 жыл бұрын

When I received my brand new 2kw Chinese Diesel Heater, the LCD display was intermittent and would randomly cut off and back on. Sometimes I could not get it on at all. I opened the case and examined the solder connections. At least 6 were NOT SOLDERED IN. The pins were through the holes, but they forget to solder the pins in. After I did this I had no more issues.

@nicureality1427 Жыл бұрын

They didn't forgot, they just didn't care to finish it😆...mine got barely lights after 2yrs of use)

@johnkennedy486 2 жыл бұрын

I'm on my second or third coloured controller and they have all dimmed after a year or so, so pointless buying new ones each year. Thanks for the hack - not sure if I can get master the changes, but it's sure worth a try! I tried to extend the life of my latest one by adding a display off switch, but it hasn't helped the display longevity, though it's great come bed time. Thankyou.

@TwoUpTourer 6 ай бұрын

Sure sounds like John Mac of the diesel heater series. Another excellent description video.

@karenandraywhitehouse6617 2 жыл бұрын

Well done. I am on my third replacement luckily I kept the two old ones .now I can repair them. Thanks

@bjsunbeam1668 3 жыл бұрын

just found your video after nearly wrecking the case,screws from front,thats sneaky Thanks

@thesettler2 11 ай бұрын

Excellent video. thanks for your efforts and sharing with the community.

@nexpro6985 Жыл бұрын

It should also be noted that the three wires are prone to breaking where they are soldered to the circuit board. Make sure your power lead does not move around.

@back2life503 2 жыл бұрын

I know this is an old video, but i thought I’d share my thoughts. I’ve added a switch to turn on the brighter led to be able to see it during the day easily and turn it off at night if it’s too bright for me to sleep in my van.

@HeatGeek1 Жыл бұрын

Thanks I got some good data off your video. I don't have a dimming display but I do have a flaky controller. Knowing what the voltage was supposed to be and which wires to look on is it start. I'll look on your channel for other videos but I'm hoping you do a basic rundown on the wiring for the Chinese diesel heater. Thanks!

@fredt4977 2 жыл бұрын

Great info and video. Thanks 👍

@michals1178 Жыл бұрын

Awesome tips. Thanks mate.

@nexpro6985 Жыл бұрын

Thanks for this. Useful tip.

@jonweathers5905 2 жыл бұрын

Thank You !. Great video sir :-)

@Jestey6 3 жыл бұрын

Hi. Super comprehensive video, many thanks. I also have a dim display and had intended changing it during the summer, but never got round to it. Now I NEED the heater in the workshop, so I’ll put up with the dim display until the spring, and then use your fix. I use the remote to switch it on an off, so don’t really need to see the display. No doubt you measured the voltage as 5v?I only ask as the supply is 12v and I wondered if they’d bothered to provide a 5v rail, and did you notice if there was a current limiting resistor mounted on the PCB? Cheers Noel

@FirstSuiGeneris 3 жыл бұрын

_Nice, thanks!_

@skydivenetwork 2 жыл бұрын

Great job on the video. Do you have a part number or link to the LED that you featured in this video that I could purchase online

@narkynorm Жыл бұрын

Got ours in the camper bed area and it's too bright at night, have a cardboard flap covering it up but wondered if it's possible to dim.

@MakeDoAndMend1 3 жыл бұрын

Hi matey I've fitted an extra white LED and it has improved it a bit. However on mine it seems to be a viewing angle problem. Looking straight at screen its dim. Look slight downward or upwards its perfectly readable. It's almost like the polarised front screen is wrong. Mines been dim from new....Cheers from old George

@Gnarlodious 3 жыл бұрын

Thanks for that, mine has gone very dim after one year and needs a fix. If the LEDs are simply being overdriven, adding a resistor to the new unit will prevent dimming.

@slickjimmy76 3 жыл бұрын

mine has done the same, 1 year old and the display is quite dim.

@Gnarlodious 3 жыл бұрын

@@slickjimmy76 Seems like it happened because my shore battery charger runs up to 14.8 volts, which overpowered the LED and damaged it.

@slickjimmy76 3 жыл бұрын

@@Gnarlodious Mine has spent its life on a kenwood 12 volt power supply (13.2 volt output) and did the same. It also is disconnected from all power when not in use. I think it is safe to say your shore charger did not cause the issue :) These are made to be in a mobile environment and "should" work from 11.5 to 15 volts without taking damage.

@Jestey6 3 жыл бұрын

@@slickjimmy76 these units are designed to be used in 12 vehicles, the voltage of which can vary for 12 to 14 volts. I therefore doubt therefore the chargers are what is causing the, almost, universal dim mining problem. Has anyone checked if there is a current limiting resistor in series with them?

@slickjimmy76 3 жыл бұрын

@@Jestey6 no there is no current limiting resistor. The display lights seemed to be overdriven and just burn themselves out

@markbutler9291 Жыл бұрын

Where did you buy the Led, everywhere i order from keeps sending me weird little black things about 3mm square despite showing the exact led you used in the product description video!!

@markweaver6634 Жыл бұрын

How do you get the E-07 error to go away?

@markbutler9291 Жыл бұрын

What wattage resistor/led??

@BS-ql5nl 3 жыл бұрын

Great fix I think some control switches self dim when not in use wonder can that be applied to this type as they are very bright at night in the camper

@MakeDoAndMend1 3 жыл бұрын

I just made a plastic cover for the one in my motorhome. Cheers from old George

@danielionut4738 Жыл бұрын

I tried to lower the temperature to 0.9 hz, but after a while I get error 08. Is it because it is set too far below the minimum?

@MrBigHealey 2 ай бұрын

Is it possible to specify the LED used? Does the LED need to be a 5-volt LED? In other words, is it necessary to have a 900 MCD 5 volt LED, because I cannot find any. I can find 3,2 volt 900 MCD LED's, but no 5 volt ones. Many thanks!!!!

@bjornoudolf2698 3 жыл бұрын

Thanks, for an informative video. Have you any ideas on how to switch the leds off when the unit is powered off ? There was some info around a couple of years ago on how to modify/hack the controller pcb to do this, but I've lost this link. Any ideas..Cheers

@nortonis3565 2 жыл бұрын

Yeah that woul`d be great, i guess we can add a switch outside the case to flip it on and off, but it would be best if it went off when you turned it off. Or dim down woul`d also be great.

@rojohnboy5351 Жыл бұрын

how about the e-07 code?

@josephdowney4919 3 жыл бұрын

Good video, it would be nice to wire in a dimmer too.

@sb3bedfordbusstuff146 3 жыл бұрын

This should be possible if you used a 10k ohm trimpot volume controller as a dimmer and put it in series with the +5v feed to the led. If that sort of makes sense.

@jaaayg2791 11 күн бұрын

does anyone know how to fix a lcd screen that's randomly stopped working, its the blue one. its blacked out, totally not working...

@thestorminmymind 3 жыл бұрын

Hi dude, wonder if you could help. Brand new out the box my screen was super dim and unable to read in daylight. Seller is sending a new screen so all good. Question I have is if I repair the screen LEDs can I wire 2 screens to the heater, the 5v and ground would be fine but would it cause a issue with the data wire? Would a blocking diode work of if used on each date so one controller doesn't feed into the other or won't that work if two way data? I have mine installed in a boat on the 5kw version and have heat output in main saloon and forward cabin and would be nice if could control the heater from both cabins. Regards

@sb3bedfordbusstuff146 3 жыл бұрын

I doubt you can use x2 controllers on one unit. The biggest problem maybe the heater would receive a command from one of the x2 controllers but the other controller may not update and display the correct data. Also each controller has its own temp sensor so thing could get well confused. I don't think it would work and it could be a fire risk if a fault occurs.

@thestorminmymind 3 жыл бұрын

@@sb3bedfordbusstuff146 thanks so much for your reply, I see your email point. Maybe the screen with the remote that has the display would be the way forward.

@CaptDave-md6ft 3 жыл бұрын

Could you give the ohms and watts of your resistor? This will be hard to find in Greece.

@irishrover63 3 жыл бұрын

It's a 180 ohm resister and probably 0.25 watts. Easy buy on eBay.

@th13ful 3 жыл бұрын

Any chance you would know how to fix the E-07 error? I recently added a new controller and it’s giving me that error.

@operamaticchilltrance4299 3 жыл бұрын

probably too late but I drive my heater with a 20 amp 120v to 12v power supply. I got the e-07 error until I swapped the new power supply in. It doesn't pull 20 amps but the voltage drops if you are not using a capable power supply. Or direct 12 v battery, but i have 120 v available so I use it.

@user-sf9mh1ms4q 3 жыл бұрын

I read on the error chart that E-07 means blue wire is loose or shorted. Hope it helps. I know this is an old post but some other people may need it.

@alanhunt97 3 жыл бұрын

Where can I get the led bulb from please

@thomaslarkin386 3 жыл бұрын

Can this be done on a blue led

@oshmb 3 жыл бұрын

What is the oxo flashing light on the screen for ? Thanks great video

@sb3bedfordbusstuff146 3 жыл бұрын

I think the OXO means the controller has lost communication with the main heater unit. When I made this video the controller was not connected the the main heater body but was power using a independent benchtop power supply.

@dominickobyrne2978 3 жыл бұрын

@@sb3bedfordbusstuff146 thank you so much as it was flashing on mine and your answer fits in ...nice hack...happier new year

@Woodlandbill 3 жыл бұрын

@@dominickobyrne2978 hi, can you tell me how you fixed your oxo problem please

@dominickobyrne2978 3 жыл бұрын

@@Woodlandbill sadly tried lots but was faulty and a new one sorted it out got one with remote handy when in bed and need to turn Dow the heat God bless Dominick

@jwgmail 3 жыл бұрын

Can you tell me how to open the case, basically does the top or the bottom get pryed outward?

@sb3bedfordbusstuff146 3 жыл бұрын

The plastic lens cover is held on by double sided tape and is peeled off to reveal x4 screws behind it. If you are careful the adhesive can be used again to stick the lens cover back on once you reassemble things.

@jwgmail 3 жыл бұрын

@@sb3bedfordbusstuff146 thank you!

@jamesmason7124 3 жыл бұрын

@@sb3bedfordbusstuff146 hello my name is James Mason and I have two metal housing 8kw diesel air heaters in my 1967 GM TDH-4519 fishbowl city bus and I am thinking about building a new Ecm and controller and I was wondering what kind of bus do you have and what are you using to heat your water with

@kernowcam1 3 жыл бұрын

I don’t suppose you could identify the thermistor heat sensor at the bottom please. Thanks ian

@light24bulbs 3 жыл бұрын

Mine is giving crazy temperatures as well

@light24bulbs 3 жыл бұрын

I'd love to replace it

@dansmith6990 3 жыл бұрын

@@light24bulbs just buy a new controller and return the old one as defective. It's all Chinese stuff anyways and since China is communist all businesses are owned by the country anyways. Don't feel bad about doing it either :-)

@Snailmailtrucker 3 жыл бұрын

In your video...your Display unit has the E 07 Error Code....how do you fix that ? I have had my Chinese Diesel Air Heater for a few months. It came with a different style Display that worked fine...but after 3 or 4 months the Red and Blue wires both broke at the hole in the Display. I immediately ordered another Display...but I needed the heater and resoldered the 2 broken wires and the old display works fine again...Now I got the new Display unit and right out of the box it gives me this E 07 Fault Code. I know my Heater works fine as I use it with my old display unit. What the Hell is up with this E 07 Fault Code and how to fix it ? Thanks... Liked/Subscribed !

@user-sf9mh1ms4q 3 жыл бұрын

I read on the error chart that E-07 means blue wire is loose or shorted. Hope it helps.

@jjimmyrjagger 3 жыл бұрын

i couldn't see your resistor wired up , im i missing some thing here

@Lucentlens 2 жыл бұрын

Exactly - & the video doesn't show where & how the extra LED was positioned & placed. It's not completely obvious, only the gist 'stuff an LED' down here. It's left out half the story!

@butchgarner3911 3 жыл бұрын

i tried this, everything worked fine and just needed a litttle more light. well i did as you said but now I have the E- 07 that your controller is showing in your thumbnail? what did i do and how do I fix it? I am running with a 25amp 120v to 12v transformer. Like i said no problem at all til I did this dim fix. i have even removed the fix but to no avail....

@randydicotti3975 3 жыл бұрын

You should rule out your transformer by connecting the heater directly to a FULLY CHARGED car battery. Don't try to use a smaller or motorcycle battery. You need the CAPACITY of a good car battery. These controllers are very Voltage sensitive.