Question: How do I remove the demister from my Harvest Right freeze dryer for cleaning or replacement? Answer: Removing the demister is an important part of maintaining your Harvest Right freeze dryer. Follow these simple steps to ensure proper removal for cleaning or replacement: Resources: Tips: By following these steps, you can effectively remove the demister for […]
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How often should I change the oil in my freeze dryer pump?
How Often Should I Change the Oil in My Freeze Dryer Pump? Regularly changing the oil in your freeze dryer pump is crucial for maintaining its efficiency and longevity. The frequency of oil changes can depend on the type of pump you have and how often you use your freeze dryer. Guidelines for Oil Change […]
After putting on silicone glue at the wires, one video says to run the vacuum pump for 24 hours, another says 15-20 minutes, while yet another says “until pressure has bottomed out.” Which is it?
To seal the epoxy, you should first remove the panels and run the vacuum for at least 24 hours after applying 100% silicone around the wires. This allows the silicone to properly cure and ensure a good seal. You can find the correct instructions in our most up-to-date video on sealing the epoxy, which is […]
My pump is running after the batch completes. How do I stop this?
There is a setting on your freeze dryer that allows the pump to continue running after a batch completes. This is known as the “End of Job Pump” setting. To check if this setting is enabled: This should stop your pump from running after a batch completes. If the issue persists, please let us know.
My pump is misting excessively
If your pump is misting excessively, it could indicate a problem with the demister. The demister may need to be cleaned or replaced. To clean the demister, you can follow the instructions in the video: How to Remove and Clean the Demister If you need to replace the demister, you can contact Harvest Right support […]
I am getting a vacuum error during my batches. I did some testing on my own and the pressures will only get down to about 1500 mTorr with the shelving unit inside the chamber. but when I remove the shelving unit and run a vacuum test, the pressures are in the 200s after 30 minutes. It seems like the shelving unit is causing this. What do I do?
If the plug for the shelving unit is wrapped up in the back of the chamber, it can indeed push the shelving unit forward against the gasket, causing a poor seal and resulting in higher vacuum pressures. Here's the procedure to ensure this doesn't happen: 1. Before inserting the shelving unit into the chamber, make […]
What are the specs on the freeze dryer’s drain valve?
The drain valve threads are 3/8 inch in diameter. We recommend purchasing a new drain valve through Harvest Right to ensure it will fit perfectly onto your drain hose and incur an air leak. If you are in need of a new drain valve for your freeze dryer please reach out to our Customer Support […]
Pump has a smoky/vapor coming from the lid.
If you are experiencing smoke or vapor coming from the lid of your pump, it could indicate a problem with the demister. We recommend starting by cleaning the demister. You can follow the instructions in this video: How to Remove and Clean the Demister. After cleaning the demister, if the issue persists, it may be […]
My vacuum pressure will not getting further than 2500 mTorr
This could indicate that there is either something open letting in a considerable amount of air or the vacuum pump is not turned on. To troubleshoot this issue, I recommend following the steps outlined in the video below. It will guide you through the process of checking for any air leaks or problems with the […]
Keep getting mid batch failure on my pump.
Here are the steps you can follow to troubleshoot the vacuum system: If you continue to experience issues, you may need to capture the data log. Use a thumb drive to download the data from the freeze dryer’s USB port. This data can be used for further diagnosis. For a more detailed guide, you can […]
