E1
Panasonic
Keypad / Control Panel Error
Display shows E1; unit may not respond to controls.
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Possible Causes
Stuck button on control panel, Damaged keypad membrane, Loose ribbon cable between keypad and PCB, Failed display/control PCB
How to Fix / Troubleshooting
Safety first: Unplug the unit.
- Inspect buttons: Check for any button that feels stuck or does not click. Clean around the buttons with a soft cloth.
- Reset: Leave unplugged for 10 minutes, then reconnect and test.
- Check ribbon cable: Remove the control panel cover and reseat the ribbon cable between the keypad and main PCB.
- Replace control panel: If E1 persists and buttons are unresponsive, replace the control panel/keypad assembly or the display PCB as a unit.
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Repair Difficulty
Easy
2/5
Required Part
Control Panel / Keypad Assembly
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