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Robinair 34788 adjust screen contrast

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

mhkamran
  • 180 Answers

SOURCE: Robinair 34788 not pulling a vacuum

It's seems to be problem with your unit relay board,vacuum pump or pressure transducer.Most of Robin air 34788 machine having same problem.You can try as follows 1# Open vacuum pump oil filling cap to release extra pressure from pump.2# Replace new relay board & follow the on screen message(do not skip any option).3# Check pressure transducer is working properly.I hope this will help you.

Posted on Jun 07, 2009

mhkamran
  • 180 Answers

SOURCE: ROBINAIR 34788 NO MANUAL REFILL

You may did not open the tank valve before you press fill key! please try as bellow:
Connect tank fill adapter to source tank & open tank valve then make the tank up side down,now press tank fill key. screen will change to checking source tank for 30/60 sec. then start filling.
If you try as above direction & still the problem exist,it may need to replace or rebuild tank fill solenoid.

Posted on Jul 14, 2010

mhkamran
  • 180 Answers

SOURCE: Robinair 34788, Will not fill (IVS) tank from

Please check ''TANK FILL'' hose quick connector & ''LIQUID'' hose on ISV Tank & make sure both valves is opening properly.it sound like(one of those) close! If valves is Ok then check tank fill solenoid, it may need to rebuild or replace. If those are OK, replace ''TANK FILL'' Hose.
I hope this will help you to solve the problem, if so please vote for it. Gool luck!

Posted on Aug 09, 2010

mhkamran
  • 180 Answers

SOURCE: robinair 34788 after recovery give a (oil drain

You need to replace oil drain solenoid

Posted on Sep 17, 2010

mhkamran
  • 180 Answers

SOURCE: 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

Posted on Nov 05, 2010

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2 Answers

Robinair 34788 keeps overcharging the isv how do i fix this issue or how do i find out whats wrong


Robinair 34788 Set Up Operation Part #1 - YouTube

? 6:05
www.youtube.com/watch?v=XW8o5tahLpE
Aug 30, 2013 - Uploaded by OTC TOOLS This video takes the viewer through the entire Set Up and Operation of the 34788. The Cool-Tech 34788 ...

Aug 26, 2015 | Robinair Measuring Tools & Sensors

1 Answer

We have a robinair 34788 and it wont recover


Does it flash any codes on the screen when you attempt to recover? You'll want to check the inline filter as well as the condition of the pump oil.

Aug 03, 2015 | Robinair 34788

1 Answer

WHERE IS THE FILL SOLENOID


If you have model : 34788 or 34788-I please see the attached picture to identify tank fill solenoid. 37b7cee0-d212-4295-9e21-ab8d41e52789.jpg

Jun 25, 2014 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

How to replace tank fill solenoid on robinair 34788


No, you cant remove tank fill solenoid until close low (Blue) and high (Red) side valve on ISV tank (Internal storage vessel). see attached picture to identify Tank fill solenoid. 39b3bb9f-14fe-4040-a186-3a3a23d2848e.jpg

Jun 18, 2014 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

I have a robinair 34788 and when i tunr it on it shows a massage "hi pressure "


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

May 13, 2011 | Robinair Cool Tech 34700Z Recovery,...

2 Answers

ROBINAIR 34788 NO MANUAL REFILL


You may did not open the tank valve before you press fill key! please try as bellow:
Connect tank fill adapter to source tank & open tank valve then make the tank up side down,now press tank fill key. screen will change to checking source tank for 30/60 sec. then start filling.
If you try as above direction & still the problem exist,it may need to replace or rebuild tank fill solenoid.

Jul 14, 2010 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

High presure rest on robinair 34788


It's seems to be problem with your unit relay board,vacuum pump or pressure transducer.Most of Robinair 34788 machine having same problem.You can try the following 1# Open vacuum pump oil filling cap to release extra pressure from pump.2# Replace new relay board & follow the on screen message(do not skip any option).3# Check pressure transducer is working properly.I hope this will help you.

Aug 09, 2009 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

Robinair 34788 not pulling a vacuum


It's seems to be problem with your unit relay board,vacuum pump or pressure transducer.Most of Robin air 34788 machine having same problem.You can try as follows 1# Open vacuum pump oil filling cap to release extra pressure from pump.2# Replace new relay board & follow the on screen message(do not skip any option).3# Check pressure transducer is working properly.I hope this will help you.

Jun 06, 2009 | Robinair Cool Tech 34700Z Recovery,...

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