Henry
Voltage Drop / Loose Electrical Connection
Display or indicator lights flicker when motor starts, but machine continues to run
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Possible Causes
Loose plug in socket, Worn power switch contacts, Loose neutral or live connection on PCB, Undersized extension lead
How to Fix / Troubleshooting
Safety: Unplug before checking any internal connections.
- Check external connections:
- Ensure the plug is fully inserted into a good-quality wall socket.
- Avoid thin or very long extension leads.
- Inspect power switch and terminals:
- Check that spade connectors on the on/off switch are tight.
- Check PCB terminals:
- Look for loose screws or plugs on the control PCB.
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Repair Difficulty
Easy
2/5
Required Part
On/Off Rocker Switch
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