How to change the cutting height on your Automower® robotic lawn mower
The cutting height on Husqvarna Automower® can be adjusted either electronically or manually, depending on the model and the technology it uses, with height settings ranging from a minimum of 2 cm (0.8 inches) to a maximum of 6 cm (2.4 inches). The adjustment steps vary based on whether you are using EPOS™, AIM Technology or a manual system in your installation.
Grass height recommendation per model
| Model | Maximum grass height |
|---|---|
| Aspire™ R4 | 4 cm/1.6 in |
| 105 | 4 cm/1.6 in |
| 115H | 4 cm/1.6 in |
| 305E NERA/310E NERA/405XE NERA/410XE NERA | 6 cm/2.5 in |
| 305/310 Mark II/315 Mark II | 10 cm/3.9 in |
| 310/315/315X | 10 cm/3.9 in |
| 405X/415X | 10 cm/3.9 in |
| 420/430X/440/450X | 10 cm/3.9 in |
| 435X AWD/435X AWD NERA | 10 cm/3.9 in |
| 320 NERA/430X NERA/450X NERA | 10 cm/3.9 in |
Setting the cutting height for EPOS™ installations
- In the Automower® Connect app, go to Map.
- Select a work area.
- Use the slider to set your desired cutting height.
- Press Save.
- Repeat for each work area as needed.
Setting the cutting height when using AIM Technology
For mowers with AIM Technology, refer to our detailed guide on How to set the cutting height when using AIM Technology
Automower® with electric cutting height adjustment
In the Automower® Connect app:
Note: These steps for adjusting cutting height apply only if your mower isn't using EPOS™ or AIM Technology.
- Tap More in the bottom left corner of the screen.
- Go to Settings.
- Choose Cutting height.
- Use the slider to set your desired cutting height.
- Press Save.
On the mower’s display:
- Go to Menu > Cutting height (indicated by a symbol).
- Choose Cutting height.
- Select your preferred cutting height.
Note: The symbol for Cutting height may vary across different models.
Automower® with manual cutting height adjustment
These Automower® models only offer manual cutting height adjustment. Refer to our articles below to learn how to change the cutting height on these models:
TargetHeight feature
Some Automower® models offer the feature TargetHeight, which gradually lowers the cutting height from the maximum level to the specified cutting height during a period of 10 days. This is especially useful when installing new wire to prevent the wire from getting damaged by the robotic lawn mower, or at the start of the season to prevent grass damage. Remember, manual adjustments of the cutting height during this period will deactivate TargetHeight. You can enable this feature on the mower’s display:
- Go to Menu and select Cutting height.
- Choose TargetHeight.
- Press OK to enable or disable the feature.
TargetHeight and AIM Technology
For Automower® models with AIM Technology, TargetHeight can be enabled in the Automower® Connect app:
- Open the app and navigate to Settings > Operation.
- Select TargetHeight.
- Press OK to enable or disable the feature.
TargetHeight and EPOS™ Technology
The TargetHeight feature is not available for robotic lawn mowers with EPOS™ technology.
After a new installation or when the grass is long
Keep the cutting height at the highest level for the first few weeks after a new installation or when the grass is long. This helps protect both the grass and the loop wire in wire installations. Gradually reduce the height each week until you reach your desired level.
Troubleshooting cutting height issues
Error messages such as Cutting system blocked and Collision sensor problem may indicate that grass or other debris is caught in the cutting height adjustment or between the blade disc and chassis. To address these issues:
- Set the robotic lawn mower to OFF.
- Wear protective gloves.
- Inspect and clean the blade disc and the bellows around the cutting height mechanism.
If the problem persists, our Product Assistant can help you find the solution for your specific Automower® model.
Open product assistantFor personalised assistance with your Automower® robotic lawn mower, please contact your local Husqvarna dealer.
