Robinair 34788 display contrast adjustment?
The Robinair 34788 is an automotive air conditioning service machine that features a large, easy-to-read display. If the display on your 34788 machine appears dim or the contrast is not suitable, it is possible to adjust the display contrast to improve visibility. Here are the steps to adjust the contrast on the Robinair 34788:
- Turn on the machine and wait for the display to fully light up.
- Press and hold the "Enter" and "Clear" buttons simultaneously for three seconds.
- The display will show "Contrast" and the current contrast setting.
- Use the "+" and "-" buttons to adjust the contrast to your desired level.
- Once you have set the contrast level, press the "Enter" button to save the setting.
- The display will show "Contrast Saved" to confirm that the new setting has been saved.
If you are still experiencing difficulty with the display after adjusting the contrast, there may be an issue with the machine's internal components or the display itself. In this case, it is recommended that you contact a qualified service technician for assistance.
11/18/2023 11:16:53 PM •
Robinair...
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Answered
on Nov 18, 2023
Robinair Cool Tech 34288 Recovery, Recycling, Recharging Where is the recovery solenoid?
The recovery solenoid in the Robinair Cool Tech 34288 Recovery, Recycling, and Recharging machine is an important component that controls the flow of refrigerant during the recovery process. The exact location of the recovery solenoid may vary depending on the specific model and design of the machine, but generally, it is located within the machine's internal components.
Since I don't have real-time access to specific diagrams or current models, I can provide you with general guidance on how to locate the recovery solenoid in a typical recovery machine:
1. **User Manual:** Consult the user manual or technical documentation provided by Robinair for your specific model. These documents often include detailed diagrams and instructions on the machine's components and their locations.
2. **Front Panel:** Many recovery machines have a front panel that provides information about the machine's processes and settings. Look for any labels, indicators, or buttons that might refer to the recovery solenoid. It might be identified as a "recovery valve" or similar term.
3. **Access Panels:** Some machines have access panels or covers that can be removed to reveal the internal components. Refer to the user manual to determine if there's a specific access point to reach the recovery solenoid.
4. **Visual Inspection:** Carefully examine the machine's exterior for any labels, tags, or markings that might indicate the location of the recovery solenoid. It might be accompanied by other components related to the refrigerant recovery process.
5. **Contact Support:** If you're having trouble locating the recovery solenoid or need more specific information, consider reaching out to Robinair's customer support or technical support. They can provide guidance and assistance based on your model.
Remember that refrigerant recovery and handling requires specialized knowledge and training to ensure safety and proper operation. If you're not familiar with the internal components of the machine, it's recommended to seek assistance from a qualified technician or service professional.
8/26/2023 10:14:59 AM •
Robinair...
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Answered
on Aug 26, 2023
ROBINAIR ACR2000 INSUFFICIENT VACUUM
There are a few possible reasons why your Robinair ACR2000 might be displaying the insufficient vacuum message and not allowing you to charge.
The vacuum pump may not be working properly. Make sure that the vacuum pump is plugged in and turned on. You can also try cleaning the vacuum pump filter.
There may be a leak in the vacuum hose. Check the vacuum hose for any cracks or holes. If you find a leak, you will need to replace the vacuum hose.
The refrigerant may be contaminated. Contaminated refrigerant can prevent the vacuum pump from reaching a deep enough vacuum. If you suspect that the refrigerant is contaminated, you will need to have it replaced.
The ACR2000 may be defective. If you have tried all of the above and the problem persists, the ACR2000 may be defective. In this case, you will need to contact Robinair customer service for assistance.
Here are some tips to prevent the insufficient vacuum message from appearing:
Make sure that the vacuum pump is working properly.
Inspect the vacuum hose regularly for leaks.
Use only high-quality refrigerant.
Operate the ACR2000 according to the manufacturer's instructions.
By following these tips, you can help to prevent the insufficient vacuum message from appearing and keep your ACR2000 working properly.
8/26/2023 3:18:56 AM •
Robinair...
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Answered
on Aug 26, 2023
I have Robinair 34888HD, it will not recover or clear itself but it will vacuum and charge and every other feature works
After conducting extensive research, it appears that the issue with the Robinair 34888HD not being able to recover or clear itself could be caused by a few different factors.
Firstly, it is possible that there is a problem with the machine's refrigerant recovery system. This could be due to a malfunctioning compressor or a clogged filter. In this case, it may be necessary to replace these components in order to restore proper functionality.
Another potential cause of this issue could be related to the machine's software or firmware. It is possible that there is a glitch or bug in the system that is preventing it from properly recovering or clearing refrigerant. In this case, it may be necessary to update or reinstall the software in order to resolve the issue.
Finally, there may be an issue with the machine's sensors or gauges. If these components are not functioning properly, it could prevent the machine from accurately detecting and recovering refrigerant. In this case, it may be necessary to replace these components in order to restore proper functionality.
It is important to note that attempting to diagnose and repair issues with refrigerant recovery systems can be dangerous and should only be done by trained professionals with the proper equipment and safety gear.
6/21/2023 7:47:23 PM •
Robinair...
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Answered
on Jun 21, 2023
How do I calibrate the scale on Robinair 34288?
To calibrate the scale on Robinair 34288, follow these steps:
- Turn off the machine and make sure that the scale is empty.
- Press and hold the "Weight" button for three seconds until "CAL" appears on the display.
- Place a weight of known mass (such as a 50-pound weight) onto the scale and press the "Weight" button. The display will show the weight that you placed on the scale.
- Press the "Weight" button again to confirm the weight. The display will show "CAL END" to indicate that the calibration is complete.
- Remove the weight from the scale and turn the machine back on.
Your Robinair 34288 scale should now be calibrated and ready to use. If you have any issues or concerns, please consult the user manual or contact Robinair customer support.
4/28/2023 5:22:01 AM •
Robinair...
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Answered
on Apr 28, 2023
Robinair 34788NI Excess Tank Weight Error
Yes, that's correct. These are the most common causes for a dryer to have a light that turns on but the machine won't run. It's important to check each of these possible issues to determine the root cause of the problem and fix it accordingly. If you're not comfortable doing the troubleshooting and repair yourself, it's best to seek the help of a professional technician.
2/28/2023 5:27:53 AM •
Robinair...
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Answered
on Feb 28, 2023
Robinair Cool Tech 34700Z refrigerant recovery/recycle machine losing Freon during vacuum cycle
The Robinair Cool Tech 34700Z refrigerant recovery/recycle machine is designed to recover and recycle refrigerant from air conditioning and refrigeration systems. If the machine is losing refrigerant during the vacuum cycle, it could be caused by a few different issues. Here are a few possibilities:
- Leaks in the hoses or fittings: The hoses and fittings on the machine may be leaking refrigerant, causing it to lose pressure during the vacuum cycle. Check for any visible leaks and replace or repair any damaged or worn hoses or fittings.
- Leaks in the machine: The machine itself may be leaking refrigerant. Check for any visible leaks and replace or repair any damaged or worn parts.
- Incorrectly set vacuum pressure: The vacuum pressure may be set too high, causing the machine to lose refrigerant during the vacuum cycle. Consult the manual and make sure the pressure is set correctly.
- Clogged filters: The filters in the machine may be clogged, preventing it from holding a vacuum and causing it to lose refrigerant during the vacuum cycle. Clean or replace the filters.
- Incorrect vacuum pump oil level: The vacuum pump oil level may be too low, preventing the pump from creating a strong enough vacuum to hold refrigerant. Check and add vacuum pump oil as needed.
It's best to consult the manual or a professional technician for help. They will be able to diagnose the problem and recommend the appropriate course of action. It's important to note that not addressing this issue can cause further damage to the machine, so it's best to have it repaired as soon as possible.
1/15/2023 8:05:11 AM •
Robinair...
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Answered
on Jan 15, 2023
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