H0
Hisense
Keep-Warm Only Mode / Heater Drive Limitation
Display shows H0 and the cooker remains in a warm state without starting full heating.
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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
User selected keep-warm instead of cook, Partial failure of heater drive circuit, Firmware limiting power due to previous overheat, Faulty mode selection button
How to Fix / Troubleshooting
Safety first: Unplug the unit before any internal checks.
- Confirm mode: Cancel the program and reselect a full cooking mode (e.g., Rice, Soup, Pressure Cook) instead of Keep Warm.
- Panel function test: Press each button to ensure they respond correctly. If some keys do not respond, the keypad or touch panel may be faulty.
- Power reset: Unplug for 10 minutes to clear any temporary firmware limitation.
- Heater test (advanced): If the unit never reaches full heat, test the heating element and control relay/triac on the PCB. Replace the main control board if the heater drive is defective.
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Repair Difficulty
Medium
3/5
Required Part
Control Panel / Keypad
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