Anyone know the reset sequence with the thermatic controls..

Discussion in 'Electronics' started by blueserenity777, Sep 19, 2008.

  1. blueserenity777

    blueserenity777 Hardcore MB Enthusiast

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    Does anyone know the sequence..something about holding 2 buttons down and wait for it to do whatever it does to reset and normalise itself..

    I have the THERMATIC a/c..not sure if the fan speed to be set at any number or the direction..HELP!!
     
  2. hercules

    hercules Hardcore MB Enthusiast

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    I have a thermotronic on mine and to reset the unit I had to hold down the DEFROST button and the RECYCLING button simultaneously for about 5 second I think.
    On your case Try to hold down the 1st and 3rd buttons , it might work.
    Good luck :cool:
     
  3. Gollom

    Gollom Hardcore MB Enthusiast

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    What does normalising achieve? Just curious
     
  4. Smatt

    Smatt Hardcore MB Enthusiast

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    Funnily enough, I was just researching this last night as I recently acquired the digital climate panel for my pre-facelift coupe.

    The reset sequence is here, although not sure if it applies to a facelift C:

    I did not notice it made any difference. Main thing is the panel works fine- was straight plug & play & no issues with it. I have noticed that I am setting controls a degree or so higher than old panel but this may be due to the digital panel being more accurate.

    Matt
     
    Last edited: Sep 19, 2008
  5. OP
    OP
    blueserenity777

    blueserenity777 Hardcore MB Enthusiast

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    Excellent ..will try that later..just some stability with the temp and speed settings..

    I am researching the option of retrofitting the thermotronic to my present thermatic..visual change will be great although as far as what happens behind it ,i am sure will still be thermatic since thermatic has no charcoal filters, etc..but having more accurate temp setting will be bonus..Thermatic is really unpredictable..
     
  6. tudu

    tudu Hardcore MB Enthusiast

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    Good on you for having a go at fitting the unit. Might be a problem with my unit which is why i am waiting.
     
  7. OP
    OP
    blueserenity777

    blueserenity777 Hardcore MB Enthusiast

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    hold on there mate..just researching at present..just want to fiddle with present thermatic to see if i can improve or learn how to make it work for me..the thermotronic is definately something i want to get but cost is there as well and it is more visual than functional excellence from a factory fitted thermotronics with all its charcoal filter and etc..
     
  8. OP
    OP
    blueserenity777

    blueserenity777 Hardcore MB Enthusiast

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    actually wondering..could there be a group buy on the cards if more are interested..maybe alfie can do the honours..
     
  9. tudu

    tudu Hardcore MB Enthusiast

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    Think you will find even when fitting the unit it will still flash up errors as it does not have the charcoal filters etc. But as you say others have fitted it purely for the visual looks and it works. Not sure how many would want it, but agree Alfie or Olly at PCS would be my choice.
     
  10. OP
    OP
    blueserenity777

    blueserenity777 Hardcore MB Enthusiast

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    who is olly?..

    besides the error on charcoal filter, will the other features work..like the left and right dials..temp setting should but just wondering the what the dials do..
     
  11. tudu

    tudu Hardcore MB Enthusiast

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  12. Smatt

    Smatt Hardcore MB Enthusiast

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    On my prefacelift CL203, the display works, the individual temp works, only the left airflow dial functions to control airflow on both sides. The right airflow dial has no effect.
    Charcoal filter & rest button have no effect(obviously)
     
  13. whitenemesis

    whitenemesis MB Club Veteran

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    As Smatt says.

    There are a couple of flap actuator motors and sun sensor missing from the 580 (Thermatic) system that the unit expects, so the errors read with STAR are voltage variances. I beleive the wiring is present for the sun sensor (if you have heated washer nozzles) and I'm looking into fitting the sensor to see if there is an improvement. Clearly there will be errors with this as well as the system expects to use the data from the 4 sensors to adjust the internal temp.

    Apart from the visual improvement I have found the Thermotronic unit is much more sensitive (hysteresis is much smaller than the Thermatic) and does have a slightly different operating logic.
    In chilling the cabin it also bleeds in a little warm air to the footwells, stops my feet from freezing!
     

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