If you see this error, the dehumidifier of the Material Station detected improper functioning. To troubleshoot please try the following:
- Power down the Ultimaker S5
- Remove the power cable from the Material Station
- Wait for 1 hour with the Material Station and Ultimaker S5 powered down
- Replug the Material station and Power up the Ultimaker S5
If the error doesn't popup again, the problem is solved. If the error continues, it may be that the dehumidifer needs replacement. Please contact support by raising a support request above.