The grinding head of the water mill will not automatically move up and down.

The reasons why the water mill grinding head can't move up and down automatically are as follows:

1, motor failure: the adjustment of grinding head of water mill is usually controlled by motor. If there is something wrong with the motor, the grinding head cannot be adjusted up and down.

2. Wire failure: Broken wire or poor contact may also be the reason why the grinding head cannot be adjusted up and down.

3. Mechanical failure: the gear at the bottom of the grinding head is not well matched with the motor gear, and the grinding head cannot be adjusted up and down.

4. Improper operation: some water mills need manual operation to adjust the grinding head. If the operation mode is incorrect, the grinding head cannot be adjusted up and down.