W&H Assistina MB-302 Instructions For Use Manual page 44

Error messages
LED display
The LED for the right or left
chamber is red
The start button LED is purple
The LED for the right or left
chamber is red
start button LED is blue
If any of the described problems cannot be corrected by the remedy provided above, the unit will need to be inspected by an
authorized W&H service partner (see page 53).
> Disconnect the device from the air connection hose and power supply unit.
> Remove the instruments and cartridges from the device.
44
Description
The oil service of the chucking system
did not complete successfully.
The oil service of the chucking system
did not complete successfully.
Problem with air supply
Solution
> Press the »Start« button.
> Repeat the oil service.
> Restore the air supply.
> Press the »Start« button.
> Repeat the oil service.