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

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Model 34288 robinair . Were is the weight . How do you do A filter change.

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  • Hasan Khan Amran
    Hasan Khan Amran Jul 14, 2010

    Please post your Question clearly! it's not clear to me what is the problem?

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There is no Weight in the machine. Machine show Filter weight that you have been recover refrigerant from the vehicles since last filter change! After every 68KG/150LBS of refrigerant recovery you must change the Spin-no filter. The machine ( Model-34788 ) will lock-up when filter capacity reach to 68kg & you will not abel to access the machin till replace new the filter.
When the machine show the filter weight 68kg on screen just press YES key,then add the 10 Digit code of new filter ( Code is stick with evey filter). If the code is accepted then open the old filter & replace new one.Follow the on screen direction to compleat the process.
Note: Do not switch off the machine till compleat the filter change function.

Posted on Jul 15, 2010

  • Hasan Khan Amran
    Hasan Khan Amran Jul 17, 2010

    The machine ( Model-34788 and 34288 ) will lock-up when filter capacity reach to 68kg & you will not abel to access the machin till replace new the filter

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mhkamran.jpg Please check Charging solenoid (S3) in Solenoid manifold block, it may need to change solenoid coil or Rebuild. If charging solenoid is OK, then problem can be SCALE or MAIN CIRCUIT BOARD. See if the machine display show default charging weight 90 kg/lbs when you active CHARGE mode. If not then calibrate scale. But if default charging weight is shown then replace MAIN CIRCUIT BOARD. See attached picture to find solenoids. I wish this will help you to solve the problem. If so please vote for it for further assistance. Best of luck!

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1 Answer

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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.
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Hope this will help you to solve the problem & if my solution is useful to you please vote for it

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1 Answer

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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.
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

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I need to replace the filter in my Robinair 34700Z machine. Where is it located? And where can I find a manual to go with this machine? Mine is missing. . .right when I need it.


Press the main menu key,then upper arrow & go to "Change filter" option,then press "Yes" key & now follow on screen message(Do not skip any option while active ''change filter'' option).
Filter located on back side of the machine & fixed with the manifold assy.it's long black color & you may see the sticker with part no# 34724 (spin-on filter dyer).
For user manual you can try to robinair web official site www.robinair.com
Hope this will help you.

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1 Answer

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