Error code -9 – Insufficient vacuum

Does restarting the suction unit and / or increasing the air extraction volume solve the problem?

How to check this:

1. Increase the extraction level.
2. If there is no effect, do the following:
1. Switch off the suction unit. Wait 10 seconds.
2. Switch on the suction unit.

Does cleaning and re-installing the suction hose solve the problem?

For further details, refer to the machine’s operating instructions.

How to check this:

1. Disconnect the suction unit from the machine.
2. Clean hose / hose connection and suction opening.
3. Firmly re-insert the hose into the suction opening of the machine.

Can you feel the vacuum at the end of the disconnected suction hose?

How to check this:

1. Disconnect the suction unit from the machine.
2. Switch on the suction unit.
3. Hold your flat hand in front of the end of the suction hose.

Does DentalCNC indicate that the vacuum is sufficient?

How to check this:

1. Close the working chamber door.
2. Open the Machining view. For this, select the following icon in the main icon bar: 
3. Ensure that the depicted icon in the lower right corner of the application window is highlighted.

Does re-calibrating the vacuum sensor solve the issue?

How to check this:

1. Switch off the suction unit.
2. Move the axes into the default position by selecting the depicted icon in the Machining view in DentalCNC.
3. Open the Machining parameters view with the icon shown in the local toolbar.
4. Move the axes into the tool change position by selecting the depicted icon in the Machining view in DentalCNC.
5. Open the working chamber door.
6. Wait 6 seconds.
• The vacuum sensor gets re-calibrated.
7. Close the working chamber door.
8. Switch on the suction unit.
9. Ensure that the depicted icon in the lower right corner of the application window is highlighted.
10. Restart the job.

Is the dust container of the suction unit full or the filter clogged?

How to check this:

• Refer to the suction unit’s operating instructions.

Is the working chamber door properly closed?

How to check this:

1. Close the working chamber door.
2. Check if the door is firmly in contact with the machine body.

Is the working chamber properly sealed?

How to check this:

1. K4, K4 edition, S1, S2, S5: Check the working chamber gasket for damage.
1. Open the working chamber door.
2. Check the door and working chamber for missing or damaged sealing strips.
3. Close the working chamber door.
2. All machines: Check the view window for damage. Check if the window tightly sits in the door.

Recommendation

• Restart the job.

Recommendation

• Restart the job.

Recommendation

• Restart the job.

Recommendation

• Restart the job.

Recommendation

1. Insert a clean / new filter into the suction unit or empty the container.
2. Restart the job.

Recommendation

1. Close the working chamber door.
2. Restart the job.

Recommendation

Recommendation

1. K4, K4 edition, K5, K5+, S1, S2, S5:
1. Clean the muffler of the vacuum sensor.
2. Install the suction unit and switch it on.
3. Ensure that the depicted icon in the lower right corner of the application window is highlighted.
4. Restart the job.
2. Other machines or if cleaning the muffler does not help: Select the The problem persists button below.

Recommendation

• Contact customer service.