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Circuit board RA19432 Robinair

Need new or used

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Robinnair 34788


It's sound like problem from the relay board not from scale. Replace new relay board with old scale assy.
Thanks

Jun 27, 2014 | Robinair Cool Tech 34700Z Recovery,...

2 Answers

Hi, my robinair ac375 wonot charge gas, gauge up arrow and down arrow wont move, we done filter and vaccum oil and reset. it is possible to get special way to reset gauge?


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!

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

1 Answer

Our Robinair a/c recovery machine has power to the switch, but will not power up at all, any ideas?


Please do the following : 1# Check main 15 amp circuit breaker (located on back of the machine) it may tripped, reset the circuit breaker. If breaker tripped again after reset, the circuit breaker need to be replace.
2# Verify line voltage is present at input of main power switch & output at switch turn ON. If line voltage is not present at power switch input, check connections between power switch and AC plug. If line voltage is present at power switch input, but not at output with power switch turned ON, replace power switch.
3# If all proceeding steps tested ok & problem still exist, you may nee to replace The main control module.
Hope this will help you, if so please vote for it.

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

2 Answers

Am having problems with a 347002k, we have this recycler for some time and have replaced even the compressor. I think we need the digital control board with the input command (where you input the steps)....


You may did something wrong with your machine! Please try the following: 1# Switch ON the main power.2# Re-set (booth) circuit breaker (press booth breaker at the same time) & see if the screen is appear.3# If the screen is not appear after re-setting circuit breaker then you have to replace new control module.Hope this will help you.

Feb 18, 2010 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

HI, I HAVE A ROBINNAIR 34134Z AC UNIT. I AM NOT ABLE TO ADD 134 TO SYSTEM PUSHING KEY PAD ARROW UP. POUNDS REMAIN AT 0.0. ON ALL OTHER FUNCTIONS, KEY PAD WORKS FINE.( UP--DOWN). REMOVED COVER, REMOVED AND...


Please try the following: 1# Verify the ISV (tank) dose not have excessive pressure.note the tank's temperature & pressure readings and compare to pressure chart on unit.purge excess air if necessary.the refrigerant may be contaminated and should be handled appropriately.
2# Press recover & verify the Recovery solenoid (S1) is receiving power & opening properly.
If not receiving power check continuity of the wiring between solenoid & circuit board,repair as needed.
If the wiring is correct and no power is being applied to the solenoid,replace the circuit board.hope this will help you.

Jan 11, 2010 | Robinair Cool Tech 34700Z Recovery,...

1 Answer

Robinair model 34700Z / There is power on the system , Fan is working , both circuit breakers tested okay but THERE IS NO DISPLAY ON CONTROL MODULE.


Please check harness continuity between the 15 Amp circuit breaker connector (P11) on the back of the control module.If continuity checks good,replace the Control Module.Hope this will solve your problem.

Dec 10, 2009 | 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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