Why does my Stihl Trimmer shrub shears cut out while I am using it?
- CCarlos NealAug 25, 2025
If your Stihl Trimmer shrub shears cut out during operation, it may be due to overheating. Remove the battery and allow the shrub shears to cool down.

Why does my Stihl Trimmer shrub shears cut out while I am using it?
If your Stihl Trimmer shrub shears cut out during operation, it may be due to overheating. Remove the battery and allow the shrub shears to cool down.
Why is the runtime of my Stihl Trimmer shrub shears so short?
If the runtime of your Stihl Trimmer shrub shears is too short, it could be because the battery is not fully charged; make sure to fully charge it. Alternatively, the battery's service life may have been exceeded, indicating it's time to replace the battery.
How to improve cutting performance of my Stihl HSA 26 shrub shears?
If the cutting performance of your Stihl Trimmer shrub shears deteriorates, the battery charge may be too low; try charging the battery. Also, the cutting blades may not be running freely, so try spraying both sides of the cutting blades with STIHL resin solvent.
Why is my Stihl Brush Cutter battery not charging?
If your Stihl Brush Cutter's battery isn't charging, it could be too hot or too cold. Leave the battery in the charger, and the charging process will start automatically once it reaches the correct temperature range. Alternatively, there might be poor electrical contact between the charger and battery. Remove the battery, clean the contacts on the charger and refit the battery. If these steps don't resolve the issue, there may be a malfunction in either the charger or the battery. In either of these cases, you should not use the affected component and contact your STIHL dealer for assistance.
Why Stihl Power Tool shrub shears do not start when switched on?
Your Stihl power tool shrub shears may fail to start due to several reasons: * The battery's charge might be too low, in which case you should charge the battery. * The battery could be too warm or cold; remove it and allow it to reach a moderate temperature. * There may be a malfunction. Try removing and reinserting the battery, then switch on the shears. If 3 LEDs continue to flash red, stop using the shears and seek assistance from your STIHL dealer. * The shrub shears might be overheating; remove the battery and let them cool down. * A fault in the battery may exist; remove it, clean the electrical contacts in the battery compartment, reinsert it, and switch on the shears. If 4 LEDs continue to flash red, stop using the battery and contact your STIHL dealer. * There might ...
How to troubleshoot a Stihl Lawn and Garden Equipment charger that won't self-test?
If the charger of your Stihl Lawn and Garden Equipment does not run a self-test, the electrical contact to the charger may have been briefly interrupted. Disconnect the plug from the electrical outlet, wait one minute, and then reinsert the plug into the outlet.
Why won't my Stihl HSA 26 shrub shears start?
If your Stihl Trimmer shrub shears do not start when switched on, several factors could be the cause. It could be due to a low battery charge, so try charging the battery. The battery might be too warm or cold; remove it and allow it to reach a moderate temperature. A malfunction might exist; remove and reinsert the battery, then switch on the shears. If 3 LEDs flash red, seek assistance from your STIHL dealer. Overheating can also prevent starting, so remove the battery and let the shears cool down. A faulty battery can be the culprit; remove it, clean the contacts, reinsert it, and try again. If 4 LEDs flash red, stop using the battery and consult your STIHL dealer. Ensure proper electrical contact by cleaning the contacts in the battery compartment. Dampness can also hinder operation, s...
Why Stihl Power Tool cutting performance of shrub shears deteriorates?
If the cutting performance of your Stihl power tool shrub shears deteriorates, it could be because the battery charge is too low. In this case, charge the battery. Alternatively, the cutting blades may not run freely. To resolve this, spray both sides of the cutting blades with STIHL resin solvent.
What to do if Stihl Power Tool battery is not being charged?
If your Stihl power tool battery isn't charging, it could be due to a few reasons. The battery may be too warm or too cold; if this is the case, leave the battery inserted in the charger, and charging will begin automatically once it reaches the correct temperature range. Another possibility is a lack of electrical contact between the charger and battery. To resolve this, remove the battery and clean the contacts on the charger before reinserting the battery. If there is a malfunction in the charger, do not use it and contact your STIHL dealer for assistance. If there is a fault in the battery, do not use the battery and consult a STIHL dealer.
What to do if Stihl Power Tool shrub shears cut out during operation?
If your Stihl power tool shrub shears cut out during operation, it could be due to overheating. Remove the battery and allow the shrub shears to cool down. It could also be due to an electrical fault. To solve this, remove and reinsert the battery, then switch on the shrub shears.
| Battery Type | Lithium-Ion |
|---|---|
| Battery Voltage | 10.8 V |
| Weight | 0.8 kg |
| Blade Length (Shrub Shear) | 20 cm |
| Run Time | Up to 110 min |
| Tooth Spacing (Shrub Shear) | 19 mm |
| Blade Length (Grass Shear) | 12 cm |
Explains how to use the manual, including signal words and symbols.
Explains signal words used to highlight important safety information.
Identifies the main components of the garden shears, battery, and charger.
Displays safety symbols found on the product and its accessories.
Provides safety guidelines for the operating environment.
Details safety precautions related to electrical hazards.
Outlines safety measures for operator alertness and well-being.
Instructions on proper usage and maintenance of power tools.
Guidelines for safe use and care of battery-powered tools.
Information on servicing and repair of power tools.
Specific safety warnings for hedge trimmers/garden shears.
Defines the proper applications for the garden shears.
Requirements for the operator's physical and mental condition.
Specifies necessary personal protective equipment for safe operation.
Safety precautions specific to the garden shears.
General instructions and safety for using the garden shears.
Pre-operation checks and safety for garden shears.
Instructions on how to properly hold and control the garden shears.
Guidelines for operating the garden shears in various conditions.
Step-by-step instructions for operating the garden shears.
Safety warnings and instructions related to the battery.
Safety warnings and instructions for the charger.
Safety warnings for maintenance, repair, and storage.
Steps to prepare the garden shears before use.
Instructions for setting up the battery charger.
Step-by-step guide for charging the battery.
Instructions for wall-mounting the charger.
Explains the status indicated by LEDs on the garden shears.
Explains the status indicated by LEDs on the garden shears.
Describes battery status indicated by LEDs on the garden shears.
Shows how LEDs indicate the battery's state of charge.
Explains the status indicated by the LED on the charger.
Steps for attaching a cutting blade to the garden shears.
Steps for detaching a cutting blade from the garden shears.
Instructions for correctly inserting the battery.
Instructions for safely removing the battery.
Steps to turn on the garden shears safely.
Steps to turn off the garden shears safely.
Procedures to test the retaining latch and trigger switch.
Guidance on cutting shrubs with the garden shears.
Guidance on cutting grass with the garden shears.
Steps to prepare the shears for transport or storage.
Instructions for safely transporting the garden shears.
Safety precautions for transporting the battery.
Instructions for properly transporting the charger.
Guidelines for storing the garden shears safely.
Safety precautions for storing the battery.
Instructions for properly storing the charger.
How to clean the garden shears, battery, and charger.
Instructions for cleaning the cutting blades.
Procedures for inspecting and maintaining the garden shears.
Information on inspecting and maintaining the cutting blades.
Troubleshooting common issues with garden shears and batteries.
Troubleshooting common issues with the charger.
Technical specifications for the STIHL HSA 26 model.
Specifications for shrub and grass cutting blades.
Technical specifications for the STIHL AS Series battery.
Technical specifications for the STIHL AL 1 charger.
Specifies safe operating and storage temperature limits.
Recommended temperatures for optimal performance.
Explains various symbols used on the product and charger.
Information on product improvements and changes.
Compliance statement regarding FCC regulations.
Recommendation to use genuine STIHL replacement parts.
Instructions for environmentally friendly disposal of products.
Guidance on recycling depleted lithium-ion batteries.
Information on the STIHL Incorporated Limited Warranty Policy.
Lists registered trademarks of STIHL.
Lists common law trademarks used by STIHL.
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