Question about Robinair Cool Tech 34700Z Recovery, Recycling, Recharging

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Machine will not clear existing pressure

We have a robinair machine model no 34700Z with the following issue after calibrating the scales the display is telling us pressure exists ie when manually selecting vacuum it will not allow that function because pressure exists note it does not equalise pressure and instruction is to press any key to exit we have replaced the main control panel

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Please check your unit compressor also & make sure compressoe haveing minimum 13''Hg suction.

Posted on Jul 04, 2009

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Machine won't recover, it gets stuck on "clearing in progress" Also won't vacuum, it says that "pressure exist press any key to continue" Your help would be greatly appreciated


I had a similar problem with a Robinair 17800b. The machine got stuck in Clr or (Clearing) while changing from R-12 to R-134a. If the tank (R-12 or R134a) does not have at least 10 pounds of refrigerant in the tank before you change to another refrigerant, the machine will stay in the clearing process. I called tech support and they walked me through a process that resets the machine. The reset involves entering a code while in r-12 mode, then removing all hoses and switching the switch to R-134a mode and entering another code. The call to the tech line took about 5 mins. The number I called 1-800-822-5561.

Aug 18, 2015 | Robinair Cool Tech 34700Z Recovery,...

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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

Apr 04, 2011 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

WE HAVE A MODEL 34700Z & IT IS GIVING MESSAGE WE YOU TURN IT ON ( SCALE ERROR UNIT DISABLED).REMOVED THE TANK & MANUALLY REMOVED TANK PRESSURE & DIDN'T MAKE A DIFFERENCE.


Your have to calibeate the scal.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

Feb 28, 2011 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

Machine says pressure exist unable to vacuum system down


It's not clear that you machine is doing recover or not! If the machine is doing recover theh follow the bellow steps.This is a common problem of Robinair 34700Z / 347002k

Sep 16, 2010 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

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

Aug 27, 2010 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

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

Aug 15, 2010 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

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.

Aug 05, 2010 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

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

May 21, 2010 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

PROBLEM WITH WEIGHT CALIBRATION


Calibration procedure for Robinair AC machine.
NOTE:FOR SCAL CALIBRATION YOU SHOULD HAVE 9KG/20LB OF WEIGHT.From main menu go to change default (press 8787 for old type machine or 5454 new type machine)
then press enter/start key.after enter to default nenu you have to select calibrate scal option.press again enter/start key then follow the on scree message.once you done so,press stop/exit key to complete the prcess.

Aug 18, 2009 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

Machine will not equalize pressure


Mr.lenny,Please do the following:1# Check recovery solenoid (S1) coil & make sure it's not burne or it's may need to rebuild.if so,replace new coil/rebuild solenoid flunger.2# Check perssure transducer is working properly.3# Check inlet manifold low & high side solenoids (small solenoids S10-S11-S13-S14) is receiveng power & opening properly.Hope this will solve your problem.

Jul 03, 2009 | Robinair Cool Tech 34700Z Recovery,...

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