Robinair Measuring Tools & Sensors - Page 2 - Recent Questions, Troubleshooting & Support

Manifold solenoids identification for 34788NI. Hope this will help you.

You have to contact them direct. https://www.google.com/search?q=Password+for+service+menu+on+a+Robinair+34788NI ..

it needs service or is full the service manual on it covers that, lost the manual? if yes, lost ask the maker for it. they are a top brand, for sure.

Very specialised equipment, contact their free support line. Customer Service / Tech Support 1-800-533-6127 [email protected] ..

17800C%2C%2017800C-230%20Operator%20Manual_0.pdf (robinair.com) See page 28

Disconnected Air Purge lines. It was under high pressure (careful).

From the main menu go to change default option,press 5454 then press enter key.after access to default nenu you have to select calibrate scal option.press again enter key then follow the on scree message.NOTE:FOR SCAL CALIBRATION YOU SHOULD HAVE 9KG/20LB OF WEIGHT.once you done so,press stop key to complete the prcess.

Please be informed that, one code can be use only one time! However now i will give one more new code: 6FAAC95001. Apply it now and solve the problem! Don't forget to vote for it, if you wish to get help in future. Good luck....

============= Make Model (what it is) Describe Problem in the title Mention the problem, plus everything you have done and what you are trying to do. ============== That image is two dusty things with wires on a 'Robinair Measuring Tools and Sensors' category.

This is a common problem of Model: 34788, 34788-I, 34988, AC34788, GE48800 etc. You need to replace air purge solenoid (Air purge solenoid located on top of the ISV tank, if you open front panel cover then you can see it on top of the tank). After doing above stapes and your problem still exist then you have to replace PCB relay board. Hope this will solve your problem, if so please vote for it for farther help! Good luck

You can try 1# With power on press and hold for 4/5 sec. up & down arrow key at the same time
2#With the power on press YES/START & NO/STOP key at the same time

Here are different options: https://www.carenpfleger.com/robinair-17400-manual.pdf => you need to create an account for you to be able to read this online http://media44.club/download/books.php?Robin+Air+Model+17700A+Owner+Manual

Open oil drain solenoid and clean solenoid plunger with dry soft clots and replace it. After that check the apply vacuum, if you still have same issue then you may need to replace oil drain solenoid. Hope this will help to solve your problems. Thank.

Please call the manufacturer on toll free number for assistance shown in link below: https://www.robinair.com/sites/default/files/03-84.pdf

Check oil drain solenoid for any debris or damage inside the solenoid flunger. Replace/rebuild as needed. Hope this will solve your problem. Don't forget to vote for my solution

If you have less than 10lbs of refrigerant in the tank and you're changing modes, this can happen. If this is the case, Tech Support can help walk you through a reset process at 800.822.5561

may be the cause is no power source, try to check voltage reading at your breaker, if the breaker itself has a power then the problem cause at your ROBINAIR, if you have guts to open the unit ?, try it and find which cause the trouble , thank you and GOD BLESS.