Robinair  Cool Tech 34700Z Recovery, Recycling, Recharging Logo
Posted on May 17, 2011
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DISPLAY READS HIGH PRESSURE UNIT DISABLED - Robinair Cool Tech 34700Z Recovery, Recycling, Recharging

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Hasan Khan Amran

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  • Expert 184 Answers
  • Posted on May 17, 2011
Hasan Khan Amran
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This is a common problem of Robinair 34700Z / 347002K & 347112K series machine. So don't worry just do the following, with POWER SWITCH OFF: - 1# Open front panel cover and verify the ISV tank is not overfilled. If full, carefully remove refrigerant manually from ISV tank by pressing tank valve. 2# verify if there is high pressure in the ISV tank. Purge excess air from the tank manually. (Open air purge hose from the ISV tank, then carefully press tank valve as needed to blow out excess pressure from the ISV tank)

After doing all above stapes and your problem still exist then replace air purge solenoid (Air purge solenoid located near the ISV tank and fixed with automatic air purge device). Hope this will solve your problem, if so please vote for it for farther help! Good luck

  • Walo Avila
    Walo Avila Jul 22, 2015

    Thank you so much! We followed your steps and it worked! Your instructions were clear to understand and I was able to fix the problem on my robinair.

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