What to do if the blade is blocked on a Stihl RMA 443 VC?
- DDr. Wendy CarneyAug 22, 2025If the blade of your Stihl Lawn Mower is blocked, pull out the activation key, remove the battery, and clean the lawn mower. 
What to do if the blade is blocked on a Stihl RMA 443 VC?
If the blade of your Stihl Lawn Mower is blocked, pull out the activation key, remove the battery, and clean the lawn mower.
Why is my Stihl Lawn Mower not cutting grass cleanly?
If the grass has not been cut cleanly or the lawn is yellow, it could be that the blade is blunt or worn. Sharpen and balance the blade on your Stihl Lawn Mower.
Why does my Stihl RMA 443 VC vibrate so much?
If your Stihl Lawn Mower vibrates excessively during operation, it's possible that the blade fastening screw is loose. You should tighten the screw.
Why is my Stihl Lawn Mower battery not charging?
If charging fails to start after fitting the battery into the charger, the battery may be too warm or too cold. Leave the battery inserted in the charger; charging will begin automatically once it reaches the correct temperature range.
Why are the LEDs flashing red on my Stihl RMA 443 VC?
If the LEDs on your Stihl Lawn Mower flash red, there may be a fault. Try these steps: pull out the activation key, remove the battery, clean the electric contacts in the battery compartment, fit the battery, and switch the lawn mower on.
Why is the LED on my Stihl RMA 443 VC red?
If the LED on your Stihl Lawn Mower illuminates red, the battery might be too warm or too cold. Pull out the activation key, remove the battery, and allow it to cool down or warm up.
How to unblock the blade area on a Stihl RMA 443 VC?
If the area around the blade of your Stihl Lawn Mower is blocked, clean the lawn mower.
Why does my Stihl RMA 443 VC stop during operation?
If your Stihl Lawn Mower stops during operation, it could be overheating. To resolve this, pull out the activation key, remove the battery, allow the lawn mower to cool down, and clean it. Also, avoid switching the lawn mower on too frequently within a short time.
Why my Stihl Lawn Mower won't start?
Your Stihl Lawn Mower might not be starting because the battery charge is too low. Try charging the battery. Alternatively, the battery could be too warm or too cold. In this case, pull out the activation key, remove the battery, and allow it to cool down or warm up before trying again.
What to do if battery gets stuck in Stihl RMA 443 VC?
If the battery of your Stihl Lawn Mower gets stuck when fitting it into the battery compartment, the guides or electric contacts might be dirty. Clean the lawn mower.
| Type | Walk behind lawn mower | 
|---|---|
| Cutting width | 410 mm | 
| Grass catcher | Yes | 
| Product color | Black, Grey, Orange | 
| Uncertainty K | 0.9 m/s² | 
| Number of wheels | 4 wheel(s) | 
| Rotational speed | 3150 RPM | 
| Maximum lawn area | 420 m² | 
| Mulching function | - | 
| Sound power level | 90 dB | 
| Handle(s) features | Foldable | 
| Vibration emission | 1.8 m/s² | 
| Rear wheels diameter | 200 mm | 
| Sound pressure level | 89.2 dB | 
| Front wheels diameter | 180 mm | 
| Maximum cutting height | 75 mm | 
| Minimum cutting height | 25 mm | 
| Grass collecting volume | 55 L | 
| Suitable for slope up to | 14 ° | 
| Power source | Battery | 
| Battery voltage | 36 V | 
| Depth | 1380 mm | 
|---|---|
| Width | 490 mm | 
| Height | 1080 mm | 
| Weight | 23000 g | 
Provides guidance on how to effectively use this instruction manual and understand its contents.
This instruction manual constitutes original manufacturer's instructions in the sense of EC Directive 2006/42/EC.
Overview of the lawn mower and its battery components with numbered parts.
Explanation of symbols used on the lawn mower and battery.
Explains the meaning of various warning symbols found on the lawn mower and battery.
Describes the intended purpose and limitations of the STIHL lawn mower.
Details the essential requirements and conditions for safe operation by the user.
Specifies the necessary clothing and equipment for safe operation of the lawn mower.
Safety precautions for the work area and surroundings.
Safety precautions specifically for handling and operating the battery.
Conditions that must be met for safe operation of the lawn mower and battery.
Conditions that must be met for the blade to be in a safe operating state.
Conditions that must be met for the battery to be in a safe operating state.
Detailed safety instructions and precautions for operating the lawn mower.
Safety instructions for transporting the lawn mower.
Safety instructions for transporting the battery.
Safety instructions for storing the lawn mower.
Safety instructions for storing the battery.
Instructions for cleaning, maintaining, and repairing the lawn mower and battery.
Steps to perform before commencing work to ensure the lawn mower is ready.
Instructions on how to charge the STIHL AP battery correctly.
How to check the current charge state of the battery using LEDs.
Explanation of what battery LEDs indicate regarding charge status or malfunctions.
Step-by-step guide for attaching the handlebar to the lawn mower.
Instructions for assembling, attaching, and detaching the grass catcher box.
How to adjust the handlebar for user comfort and control.
Instructions on how to fold the handlebar for space-saving storage or transport.
Step-by-step guide on how to insert the battery into the lawn mower.
Instructions on how to safely remove the battery from the lawn mower.
Procedure for inserting the activation key to start the lawn mower.
Procedure for removing the activation key to stop the lawn mower.
How to activate and deactivate the lawn mower blade.
How to switch the self-propulsion drive on and off.
Procedure for checking the proper function of all mower controls.
Procedure for checking the condition and safety of the lawn mower blade.
How to test the battery's functionality and status.
Instructions on how to properly hold and guide the lawn mower during operation.
How to adjust the lawn mower's cutting height to different levels.
How to activate ECO mode to optimize battery life.
Instructions and tips for effective and safe mowing.
How to properly empty the grass catcher box.
Steps to perform after completing the mowing operation.
Instructions for safely transporting the lawn mower.
Instructions for safely transporting the battery.
Guidelines for properly storing the lawn mower.
Guidelines for properly storing the battery.
How to position the lawn mower for cleaning.
Instructions for cleaning the lawn mower.
Instructions for cleaning the battery.
Procedures for removing and attaching the lawn mower blade.
Instructions for sharpening and balancing the lawn mower blade.
Information regarding repairs for the mower and battery.
Solutions for common faults and issues with the lawn mower and battery.
Technical specifications for the STIHL lawn mower models.
Specifications related to the lawn mower blade.
Technical specifications for the STIHL AP battery.
Sound and vibration values for the lawn mower.
Information regarding the REACH chemical regulation.
Information on genuine STIHL spare parts and accessories.
List of essential spare parts for the lawn mower.
Information on how to dispose of the lawn mower and accessories.
Declaration of conformity details for specific STIHL lawn mower models.
Introduction to the general safety instructions for electrically operated lawn mowers.
Requirements for user training and familiarization with the machine.
Essential preparatory steps before operating the lawn mower.
Precautions and guidelines for handling the lawn mower during operation.
Safety guidelines for maintenance and storage of the lawn mower.