E9
Magic Chef
Power Supply or Low Voltage Error
Display shows E9 and the unit may not power on fully or may reset intermittently.
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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
Unstable household voltage, Loose power cord connection, Failed internal power supply on main control board, Shorted component drawing excessive current
How to Fix / Troubleshooting
Safety: Unplug the cooler before inspecting wiring. Do not open sealed electronic modules.
Steps:
- Check outlet: Plug a lamp or small appliance into the same outlet to verify stable power. Avoid using extension cords or power strips.
- Inspect power cord: Examine the Magic Chef power cord for cuts, kinks, or burn marks. Ensure the plug fits snugly in the outlet.
- Check internal connections: Remove the rear panel and locate where the power cord enters the unit and connects to the main control board or terminal block. Tighten any loose screws and reseat connectors.
- Look for damage on control board: Inspect the main control board for burnt areas, cracked solder joints, or swollen capacitors. Any such signs indicate the board should be replaced.
- Replace main control board: If external power is good and wiring is intact but E9 persists, install a new main control board specified for your Magic Chef model.
Note: If breakers trip or you smell burning, stop and contact a professional immediately.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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