E6
Ambiano
Internal Communication / Control Board Fault
E6 error appears immediately when selecting a program; cooker does not attempt to heat.
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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
Failed main control PCB, Corrupted firmware, Loose display-to-main-board ribbon cable, Shorted keypad membrane
How to Fix / Troubleshooting
Safety: Disconnect from mains before opening the housing.
- Power cycle: Unplug the unit for 15 minutes to discharge internal capacitors, then reconnect and test. If E6 returns instantly, proceed.
- Inspect internal connections: Remove the outer shell as per service access. Check the ribbon cable between the display/keypad board and the main power board. Reseat both ends carefully.
- Check for moisture: Look for signs of condensation or liquid spills on the control boards. If present, dry thoroughly and clean with isopropyl alcohol (unit unplugged).
- Keypad test: If certain buttons feel stuck or unresponsive, the keypad membrane may be shorting the control lines. Replace the keypad/display panel if visibly damaged.
- Board replacement: Persistent E6 with good cabling usually indicates a failed main control PCB. Replace with the correct Ambiano main control board for your model.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board, Display/Keypad Board
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