Makita
Mode Selector / Power Setting Failure
Mode selector switch (Low/High/Turbo) does not change suction power.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Faulty mode selector switch, Broken internal linkage, Dirty or oxidized contacts, Control PCB not responding to mode input
How to Fix / Troubleshooting
Safety first: Remove the battery.
- Cycle the switch: Move the mode selector through all positions 20–30 times to help clean internal contacts.
- Observe LED indicators: Reinstall the battery and change modes while watching the LEDs. If the LEDs change but suction does not, the control PCB or motor drive may be faulty.
- If switch feels loose or does not click: The mechanical parts of the switch may be broken and require replacement.
- Service recommendation: Replacement of the mode selector switch or control PCB should be done by a Makita service center.
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Repair Difficulty
Hard
4/5
Required Part
Mode Selector Switch
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