PVA Removal Station failure modes

If something goes wrong during operation of the PVA Removal Station, or the PVA Removal Station does not behave as expected, use the troubleshooting information provided to locate the root cause and solution for any issues.

Click the observed failure mode from the list below for troubleshooting advice.

No water flow

If water is not flowing when expected, this can have several potential causes:

No power No rotor Container leaks Rotor unbalanced

Check if the power cable is connected. The LED next to the power button should be on if power is supplied and the unit is turned on. If the interface is not lit up when the power cable is connected to a socket, check the connection to the docking station.

  1. Disconnect the power cable from the outlet.
  2. Lift the container from the docking station. Use either the handle at the top, or use the grips on either side at the bottom of the container. Place the container aside.

Caution: Dried-up PVA residue has highly adhesive properties. If any PVA residue came into contact with the docking station, this could result in the container remaining attached to the docking station when the container is lifted. Make sure the two parts are detached and prevent dropping the docking station.

  1. Gently place the docking station on its side or upside down to access the power cable.
  2. Check if the cable is securely connected to the socket in the docking station. Reconnect if necessary.
  3. Additionally, check the power cable for damage. If any part of the cable looks damaged, discontinue use immediately and replace the damaged cable with a new one.
  4. Place the docking station upright again, reconnect the power cable to the outlet, and reinstall the container.

PVARS-Power-cable.jpg

Slow speed LED blinking

When the rotor turns slowly and the Slow speed LED is blinking, even when the PVA Removal Station is set to full rotor speed, this is a warning that the device is overheating. The PVA Removal Station will switch to this slow mode to automatically attempt to cool down. Once cooled down sufficiently, the PVA Removal Station will resume normal cleaning speed.

If the temperature continues to be too high, eventually this could lead to an error message. Take the steps below to prevent an overheating error:

Cool down
Keep the PVA Removal Station turned off for 30 minutes to let it cool down completely.
Environment
Place the PVA Removal Station in a cooler environment. The recommended operating temperature range is 15 - 32ºC. If the PVA Removal Station is close to an external heat source, either move the PVA Removal Station to a different location or disable the heat source.
Maintenance
High saturation levels of the water increase the motor load. Empty the container and clean the rotor before refilling the container with clean water to optimize the performance of the PVA Removal Station.
Water temperature
Only use cold water to fill the container. Too high water temperatures will damage or deform most printed parts or even the container. Do not fill the device with other liquids. Do not use the PVA Removal Station or place printed parts in the container when the temperature label in the container turns red.

After taking the actions described above, you can resume the cleaning process.

Shaking / vibrating

When the PVA Removal Station is shaking or vibrating during operation, this indicates that the magnetic coupling is slipping. The rotor may not be installed correctly, or the bearings have worn.

If the problem persists after restarting the PVA Removal Station, turn it off again and take the following actions:

Clean the rotor
Empty the container and clean the components. Follow the instructions on this page.
Check for play
After cleaning the rotor, carefully inspect it and check for play. Also ensure that the rotor bearing ring is in place and it is still in good shape. If any play or damage is detected, replace the affected component(s).
Install correctly
When installing the rotor onto the pin at the bottom of the container, push firmly until the rubber O-ring of the rotor pin is pushed through the rotor completely.

After taking these actions, you can refill the container and resume the cleaning process.

Rotor slips

When the rotor slips from the pin and falls when emptying the container, first carefully check the rotor if it was damaged by the impact. If any damage is detected, reach out to your local reseller or contact support for further assistance. If the rotor is still in good shape, take the following action to prevent it from slipping off the pin again:

Install correctly
When installing the rotor onto the pin at the bottom of the container, push firmly until the rubber O-ring of the rotor pin is pushed through the rotor completely.
Check O-ring
If the O-ring is missing, damaged, or worn, it must be replaced to ensure the rotor is properly secured. 

After correctly installing the rotor, you can refill the container and resume normal operation of the PVA Removal Station.

Interface is blinking

When the rotor stops turning and the rotor speed LEDs blink in a pattern, the PVA Removal Station has encountered an error. The number of times the LEDs blink indicates the error message. For more information, please visit this page.

Need further support?

If the issues persist after trying the steps listed on this page, or when you observe a different failure mode on the PVA Removal Station, please reach out to support by submitting a ticket so we can assist in further troubleshooting.

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