Husqvarna Battery Not Charging Red Light Flashing — What the LED Code Means

Quick answer

• If your Husqvarna battery is not charging and the red light is flashing, it indicates a fault with the battery or charger.
• Check for cold temperatures; lithium-ion batteries may refuse to charge below ~32°F (0°C) due to a built-in safety feature.
• Inspect the charger and battery for visible damage or corrosion, which can prevent proper charging.
• If the battery still won't charge after these checks, it may need replacement or servicing.

Symptoms

When the Husqvarna battery is not charging, you may notice the following symptoms:

• The charger LED light flashes red, indicating a fault. This is a common signal across many Husqvarna chargers, such as the Husqvarna 588 24 02-01 model.
• The battery may not power the tool at all, or it may power it intermittently.
• You might hear no sound when attempting to charge, or the charger may emit a faint clicking noise, suggesting it is trying to engage but failing.

Quick checks

Before diving into deeper troubleshooting, perform these quick checks:

1. Temperature Check: Ensure the battery is above 32°F (0°C). If it’s cold, allow it to warm up to room temperature before attempting to charge.
2. Charger Inspection: Examine the charger for any signs of damage, such as frayed cords or burnt connectors.
3. Battery Condition: Look for any visible damage on the battery, including swelling, corrosion, or punctures. If any are found, do not use the battery.
4. Connection Check: Ensure the battery is properly seated in the charger and that the contacts are clean and free of debris.
5. Power Source: Verify that the outlet you are using is functioning correctly by testing it with another device.

Step-by-step fix

If the quick checks do not resolve the issue, follow these steps to troubleshoot further:

1. Remove the Battery: Always start by removing the battery from the tool and charger to ensure safety during inspection.
2. Inspect the Charger LEDs: Plug in the charger and observe the LED indicators. For the Husqvarna 588 24 02-01, a steady red light indicates charging, while a flashing red light indicates a fault.
3. Test the Battery: If the charger shows a fault, try charging a different battery (if available) to see if the issue lies with the charger or the original battery.
4. Clean Contacts: Use a soft cloth or electrical contact cleaner to clean the battery and charger contacts. Poor connections can prevent charging.
5. Replace the Battery: If the battery still does not charge after these steps, consider replacing it. A compatible replacement will ensure proper function.

View Replacement Cordless Tool Battery on Amazon (paid link)
View Replacement Cordless Tool Battery on Home Depot (paid link)

If it still isn't working

If the battery remains unresponsive after following the steps above, consider the following escalation options:

• Warranty Service: Check if the battery is still under warranty. Husqvarna typically offers a limited warranty on their batteries. Refer to the warranty documentation for specific terms.
• Service Center: If the warranty is expired or the battery is damaged, take it to an authorized Husqvarna service center for professional evaluation and repair.
• Replacement: If repairs are not feasible, purchasing a new battery may be the most effective solution.

FAQ

What does a flashing red light on my Husqvarna charger mean?
A flashing red light generally indicates a fault with the battery or charger. This could be due to temperature issues, connection problems, or a defective battery.

Can I charge my Husqvarna battery in cold weather?
No, lithium-ion batteries will not charge below approximately 32°F (0°C) due to a built-in safety feature. Allow the battery to warm up to room temperature before attempting to charge.

How can I tell if my Husqvarna battery is dead?
If the battery does not charge after following troubleshooting steps and shows visible signs of damage, it is likely dead and should be replaced.

Is there a way to reset my Husqvarna battery?
There is no specific reset procedure for Husqvarna batteries. If the battery is not functioning after troubleshooting, replacement is usually necessary.

What should I do with a swollen battery?
Do not use a swollen battery. Dispose of it safely at a recycling center or a retailer that offers battery recycling services, such as Home Depot or Lowe's.