Stihl HLA 66 - User Manual

Questions and Answers:

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Shawn SavageSep 12, 2025
What to do if 3 LEDs are flashing red on my Stihl HLA 66 Trimmer?
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  cynthiacummingsSep 12, 2025
  If 3 LEDs are flashing red on your Stihl Trimmer, it could indicate a malfunction. Remove the battery, clean the electrical contacts in the battery compartment, and reinsert the battery. Switch on the trimmer. If the issue persists, contact your STIHL dealer. Another cause could be that the cutting blades do not run freely. Spray both sides of the cutting blades with STIHL resin solvent. If the problem continues, contact your STIHL dealer.
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Brian BennettSep 10, 2025
Why is the STIHL connected app unable to find the battery for my Stihl HLA 66 Trimmer?
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  Karen PhillipsSep 12, 2025
  If the STIHL connected app can't find the battery, ensure that the Bluetooth® radio interface is activated on both the battery and your mobile device. Also, make sure that the distance between the battery and mobile device is not excessive. Reduce the distance and try again.
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maria38Sep 9, 2025
How to fix if distance between Stihl HLA 66 battery and mobile device is too long?
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  Andrew WilliamsSep 9, 2025
  If the distance between your Stihl Trimmer's battery and your mobile device is too long, reduce the distance. If the battery still cannot be found with the STIHL connected app, contact a STIHL authorized dealer for assistance.
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Gina ChenSep 8, 2025
How to activate Bluetooth on Stihl HLA 66 Trimmer?
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  Jeremy BennettSep 8, 2025
  To activate Bluetooth on your Stihl Trimmer, activate the Bluetooth radio interface on the battery or your mobile device.
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Lisa FrederickAug 23, 2025
Why won't my Stihl Trimmer start?
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  Raymond KellyAug 23, 2025
  Several factors can prevent your Stihl Trimmer from starting: the battery may have a low charge (recharge it fully), it might be too hot or too cold (remove the battery and allow it to cool down or warm up), there may be no electrical contact between the trimmer and battery (remove the battery and clean the contacts in the battery compartment before refitting it), the trimmer or battery could be damp (allow them to dry), the cutting blades may not run freely (spray both sides of the blades with STIHL resin solvent), the trimmer might be too hot (remove the battery and let the trimmer cool down), there may be a malfunction in the battery (remove and reinsert the battery), or there could be a general malfunction in the trimmer (remove the battery, clean the contacts, refit the battery).
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Holly FowlerSep 6, 2025
Why is the Stihl HLA 66 runtime too short?
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  Haley WestSep 6, 2025
  If your Stihl Trimmer's runtime is too short, it could be due to the battery not being fully charged. Fully charge the battery as described in the User Manual for the STIHL AL 101, 301, 301-4, 500 chargers. Alternatively, the battery's service life might be exceeded, indicating it's time to replace the battery.
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Mark WestSep 4, 2025
How to fix 1 LED flashing green on Stihl HLA 66?
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  nmartinezSep 5, 2025
  If 1 LED is flashing green on your Stihl Trimmer, the battery has a low charge. Recharge the battery fully as described in the instruction manual for the STIHL AL 101, 300, 500 chargers.
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Theresa CampbellSep 3, 2025
What does it mean when 1 LED glows red on a Stihl Trimmer?
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  cookrobertSep 3, 2025
  If 1 LED glows red on your Stihl Trimmer, it indicates that the battery is either too hot or too cold. Remove the battery and allow it to cool down or warm up as necessary.
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Joshua DiazSep 2, 2025
Why are 3 LEDs glowing red on my Stihl HLA 66?
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  Tina TapiaSep 2, 2025
  If 3 LEDs glow red on your Stihl Trimmer, it means the hedge trimmer is too hot. Remove the battery and allow the hedge trimmer to cool down.
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Jonathon PittsSep 1, 2025
What to do if 3 LEDs flash red on Stihl HLA 66 Trimmer?
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  qrussellSep 1, 2025
  If 3 LEDs are flashing red on your Stihl Trimmer, it could indicate a malfunction or that the cutting blades aren't running freely. Remove the battery, clean the contacts, and reinsert the battery. If the issue continues, spray the blades with STIHL resin solvent. If the problem persists, do not use the hedge trimmer and contact your STIHL dealer for assistance.