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Posted on Jul 01, 2010
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I have a robinair a/c machine cooltech i need to calibrate the scale

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Hasan Khan Amran

Hasan Khan Amran

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  • Posted on Jul 01, 2010
Hasan Khan Amran
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Form the main menu go to ''CHANGE DEFAULT'' then press 5454 & YES key (passwoed to access default option).Once you enter to default menu,go to "SCALE CALIBRATION" & press YES key.now follow the on screen text.Hope this will solve your problem.
NOTE:you should have 9KG/20LBS of weight for scale calibra

  • 2 more comments 
  • larry Kanavos
    larry Kanavos Apr 18, 2016

    Can you please advice same process for a 34788 cooltech? How do I access the service menue please?

  • larry Kanavos
    larry Kanavos Apr 18, 2016

    CAN ANYONE ADVISE TO ACCESS THE SERVICE MENU 34788 TO PERFORM THE CALIBRATION? know the process with the 20 Lb weights. just need to know what access code is required to gain in to service menu?

  • Hasan Khan Amran
    Hasan Khan Amran Aug 08, 2016

    Access code for Robinair 34788/34788i is 2200. hope this will help you.

  • Samuel Ramirez
    Samuel Ramirez Feb 15, 2018

    and the service menu of the 347002k?

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0helpful
1answer

How do I calibrate the scale on Robinair 34288?
To calibrate the scale on Robinair 34288, follow these steps:
  1. Turn off the machine and make sure that the scale is empty.
  2. Press and hold the "Weight" button for three seconds until "CAL" appears on the display.
  3. Place a weight of known mass (such as a 50-pound weight) onto the scale and press the "Weight" button. The display will show the weight that you placed on the scale.
  4. Press the "Weight" button again to confirm the weight. The display will show "CAL END" to indicate that the calibration is complete.
  5. Remove the weight from the scale and turn the machine back on.
Your Robinair 34288 scale should now be calibrated and ready to use. If you have any issues or concerns, please consult the user manual or contact Robinair customer support.
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Jul 16, 2022 • Robinair Measuring Tools & Sensors
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I replaced scale on my 34788 robinair machine and when I tried to calibrate the scale it said calibration rejected do I need to calibrate it with an empty tank
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Be the first to answer Dec 19, 2017 • Robinair Measuring Tools & Sensors
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How do I recalibrate scale on Robinair 34134Z
Robinair Model-34700Z scal calibration follow as bellow:
Press main menu then press up or down arrow till scree appear ''CHANGE DEFAULT'' then press 5454 from the keypad & then YES key (passwoed to access default option).Once you enter to default menu,go to "SCALE CALIBRATION" & then press YES key. now follow the on screen text. Once you calibrate scale then press STOP key to exit.
NOTE: You should have 9KG/20LBS of weight for scale calibration. Do not change ''TANK TARE'' or any other setting it must be on factory setup.
Hope this will help you to solve the problem & if my solution is useful to you please vote for it
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Apr 04, 2011 • Robinair Cool Tech 34700Z Recovery,...
12helpful
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Robinair cooltech 34788 scale error reset
You may overfill the ISV tank. #1 Open front cover & close LIQUID valve on the ISV. #2 Disconnect LIQUID hose from tank,then open tank liquid valve (which you close earlier) to reduce some refrigerant manually from the ISV tank. #3 after reduce refrigerant from tank, re-connect everything & switch on the machine. #4 If you still have the same problem then you have to re-calibrate the scal. I hope this will help you
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Nov 04, 2010 • Robinair Cool Tech 34700Z Recovery,...
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1answer

How do you calibrate the scale on a robinair 34700z A/C Machine?
Robinair Model-34700Z,for scal calibration follow as bellow:
Form the main menu go to ''CHANGE DEFAULT'' then press 5454 & YES key (passwoed to access default option).Once you enter to default menu,go to "SCALE CALIBRATION" & press YES key. now follow the on screen text.
NOTE:you should have 9KG/20LBS of weight for scale calibration. Do not change ''TANK TARE''. it must be on factory setup 16.30 lbs OR 7.40 kg.
Hope this will help you to solve thr problem & if my solution is useful to you please vote for it
Read full answer
Aug 27, 2010 • Robinair Cool Tech 34700Z Recovery,...
1helpful
1answer

Over charges. machine seems to operate normal, but it over charges every time. I tried to recalibrate the scale. this didn't help.
It seems to be your last calibration was not correct!
For Robinair Model-34700z scal calibration follow as bellow:
Form the main menu go to ''CHANGE DEFAULT'' then press 5454 & YES key (passwoed to access default option).Once you enter to default menu,go to "SCALE CALIBRATION" & press YES key. now follow the on screen text.
NOTE:you should have 9KG/20LBS of weight for scale calibration. Do not change ''TANK TARE''. it must be on factory setup 16.30 lbs OR 7.40 kg.
Hope this will help you to solve thr problem & if my solution is useful to you please vote for it
Read full answer
Aug 15, 2010 • Robinair Cool Tech 34700Z Recovery,...
0helpful
1answer

Over charging won't recover scale don't work
It is not clear which model of robinair machine you have! However your machine need to re-calibrate the scale.
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Aug 05, 2010 • Robinair Cool Tech 34700Z Recovery,...
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1answer

Wont vacuum
With machine power OFF,remove old pressure transducer & replace new one.now power ON the machine & go for calibration.Calibration step for Robinair 34700Z machine.Form the main menu go to ''CHANGE DEFAULT'' then press 5454 & YES key (passwoed to access default option).Once you enter to default menu,go to "SCALE CALIBRATION" & press YES key.now follow the on screen help text.NOTE:you should have 9KG/20LBS of weight for scale calibration.
Hope this will solve you
Read full answer
May 21, 2010 • Robinair Cool Tech 34700Z Recovery,...
6helpful
1answer

Hi i need to know how to calibrate robinair 347000z mechine
Form the main menu go to ''CHANGE DEFAULT'' then press 5454 & YES key (passwoed to access default option).Once you enter to default menu,go to "SCALE CALIBRATION" & press YES key.now follow the on screen help text.Hope this will solve your problem.
NOTE:you should have 9KG/20LBS of weight for scale calibration
Read full answer
May 05, 2010 • Robinair Cool Tech 34700Z Recovery,...
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