Princess
Keypad / Touch Button Failure
Buttons on the control panel are unresponsive or trigger the wrong function.
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Possible Causes
Worn tactile switches, moisture under the keypad, a damaged touch sensor IC, or a loose ribbon cable.
How to Fix / Troubleshooting
Safety: Disconnect power before working on the control panel.
Steps:
- 1. Dry the panel: If recently cleaned with liquid, allow the panel to dry completely.
- 2. Reseat cable: Open the control housing and reseat the ribbon cable between the keypad and main PCB.
- 3. Inspect for damage: Look for cracked buttons or corrosion. Replace the control panel PCB if individual buttons fail consistently.
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Repair Difficulty
Easy
2/5
Required Part
Control Panel PCB
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