The video provides a step-by-step guide to identifying and resolving the problem with a Harvest Right freeze dryer when the shelving unit fails to heat up or experiences mid-batch heater failure. It outlines the process which includes pressing the reset button, checking the wiring, and finally retesting the heat.
How to Fix a Non-Heating Shelf Unit of a Harvest Right Freeze Dryer
Tools Needed:
- Phillips Screwdriver
- 1/8 Allen Wrench
Steps:
- Press the Reset Button: If your shelving unit is not heating up, press the reset button through the hole at the back of the unit.
- Turn Off the Freeze Dryer: For safety reasons, make sure that your freeze dryer is turned off before proceeding.
- Disconnect the Shelving Rack: Disconnect your shelving rack. This can be left inside the freeze dryer.
- Remove the Cover Plate: Use a Phillips Screwdriver or a 1/8 Allen Wrench to remove the four screws and take off the cover plate.
- Check the Wiring: Ensure that both the Spade connectors are fully connected to your reset button and that the wires that connect within the terminal block are fully inserted.
- Press the Reset Button Again: Give the reset button another press to ensure that it’s been clicked.
- Replace the Cover Plate: Put the cover plate back on, align it correctly, and tighten the screws using the Phillips screwdriver.
- Reconnect the Shelving Unit: Connect your shelving unit back together and slide it back into your freeze dryer.
- Retest the Heat: Turn on the freeze dryer and retest the heat to check if the shelving unit is heating up efficiently now.
- Contact Support if Necessary: If the problem persists, contact Harvest Right support for further assistance. There may be a need to replace the relay board.
