E09
Paderno
Control Board Power Regulation Error
Microwave shows E09 and the clock resets intermittently; unit may shut off randomly during cooking.
Advertisements
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.
Advertisements
Possible Causes
Failing control PCB voltage regulator, Loose neutral or live connection on control board, Intermittent power relay, Heat-damaged solder joints
How to Fix / Troubleshooting
Safety first: Unplug the microwave before accessing the control area.
Step-by-step checks:
- 1. Confirm power stability: Ensure the microwave is not on an overloaded circuit or extension cord. Plug directly into a dedicated outlet.
- 2. Inspect cord and plug: Look for discoloration or looseness at the plug blades.
- 3. Access control board: Remove the control panel and visually inspect the control PCB for burnt components or cracked solder joints, especially around relays and power connectors.
- 4. Reseat connectors: Gently unplug and replug the wiring harnesses to the control board to ensure solid contact.
- 5. If E09 persists: The control board likely needs replacement. This is typically a board-swap repair rather than component-level work for home users.
Advertisements
Repair Difficulty
Hard
4/5
Required Part
Main Control Board
Check Price on Amazon
We may earn a commission from links on this page.
Advertisements