My Electric Grass Trimmers bump/automatic feed is not working

Quick Answer

If the bump feed or automatic line feed on your electric grass trimmer is not working, the most common causes are incorrect spool winding, incompatible line, or a faulty spool. In most cases, checking or replacing the spool resolves the issue.

Important: Always switch off and unplug the trimmer before inspecting the spool or cutting head.

Before You Start

Before carrying out any checks:

• Switch the grass trimmer off
• Disconnect it from the mains power supply
• Ensure the cutting head has fully stopped
• Place the trimmer on a stable surface

Important: Never attempt to adjust the spool while the machine is connected to power.

Possible Causes and Basic Checks

1. Spool line condition

Check that the line is:

• Wound evenly
• Not overlapping or tangled
• Not jammed inside the spool housing

Incorrect winding can prevent the feed mechanism from operating correctly.

2. Try the spare spool

If your product includes a spare spool:

• Fit the replacement spool
• Test the trimmer again

If the feed works with the spare spool, the original spool is likely the cause of the issue.

3. Trimmer line specification

Ensure you are using the correct line type for your model.

• Refer to your user manual for exact specifications
• Most models typically use 1.2mm line, but this may vary

Using incorrect line thickness can prevent proper feeding.

If the Issue Persists

If the bump feed or automatic feed system still does not work after completing all checks:

• Stop using the product
• Contact our Technical Support Team
• Provide your model number and details of the issue

Further inspection or replacement parts may be required.

Important Information

• Always use the correct line for your model
• Ensure the spool is correctly installed and wound
• Replace damaged or faulty spools
• Do not use the trimmer if the feed system is not functioning correctly

Frequently Asked Questions

Why is my bump feed not working?

It is usually caused by incorrect spool winding, wrong line type, or a faulty spool.

Can the line type affect the feed system?

Yes. Incorrect line diameter or type can prevent the feed mechanism from operating properly.

How do I know if the spool is faulty?

If replacing the spool restores normal operation, the original spool is likely faulty.

What should I do if a new spool does not fix it?

If the issue continues, contact Technical Support for further assistance.