E8
Hisense
Power Supply / Voltage Error
E8 error code, oven may heat erratically or shut down unexpectedly.
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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
Incorrect mains voltage (under/over-voltage), Loose terminal block connections, Damaged power cord, Faulty main control board power supply section
How to Fix / Troubleshooting
Safety first: This involves live mains wiring. If you are not experienced with electrical work, contact a qualified electrician or technician.
- Verify supply voltage: Confirm that the oven is connected to the correct voltage as specified on the Hisense rating plate (often 220–240 V AC). Incorrect supply can trigger E8.
- Inspect terminal block: With power OFF, remove the rear cover to access the mains terminal block. Check for loose screws, burnt insulation, or discoloration. Tighten connections and replace any burnt components.
- Check power cord: Inspect the cord for cuts, kinks, or burn marks. Replace if damaged.
- Control board inspection: Look for swollen capacitors or burnt components on the main control board’s power supply section. If found, replace the board.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board
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