Hisense Oven Error ERR003
⚡ Quick Answer: The Hisense oven error code ERR003 indicates a communication failure between the user interface and the power/control board. This issue often results ... ✅ DIY Fixable
What Does Error ERR003 Mean?
The Hisense oven error code ERR003 indicates a communication failure between the user interface and the power/control board. This issue often results in the oven becoming unresponsive, interrupting normal operation. The most common symptoms include inconsistent heating or complete failure to heat. To resolve this, a basic power reset may help, but persistent issues typically require inspection or repair of the control modules and wiring.
Common Symptoms:
- Oven functions stop and the oven becomes unresponsive when the code appears
- Display may indicate a fault and normal operation is interrupted
Possible Causes
- Communication failure between user interface and power/control board (high)
How to Fix Error ERR003
DIY Fix Basic power reset and check UI cleanliness
- Turn off the oven and disconnect it from power (unplug or switch off at breaker).
- Wait a few minutes to ensure capacitors discharge and any transient communications resets can occur.
- Reconnect power and power on the oven to see if the error clears.
- Gently clean the control panel/touch interface with a dry cloth to remove any contaminants that might affect touch sensors.
Technician Only Inspect/repair communication wiring and control modules
- Disconnect power to the oven.
- Open the oven control area to access the UI board, control board, and wiring harness.
- Visually inspect and test the communication wiring between the user interface board and the power/control board for continuity, secure connections, and signs of damage.
- Test or replace the UI board and/or control board if wiring and connectors are intact but communication faults persist.
- Reassemble and verify operation after repairs.
Parts needed: User interface board, Control/power board, Wiring harness between UI and power/control board
- Error persists after basic power reset and cleaning
- User is uncomfortable or unqualified to open/inspect internal electrical components
Next step
Choose the next step for ERR003
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
User Interface Board
Receives button or touch input and controls the appliance display and indicators.
- Typical part-only price
- $70 - $220
- DIY difficulty
- Medium
- Estimated time
- 20-60 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Power Control Board
Distributes and switches electrical power for the appliance's major loads.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
Model-compatible Oven parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Non-Scratch Cooktop Cleaner
A routine surface-care product. Confirm that it is approved for the specific glass, ceramic, enamel, or stainless finish.
Oven Thermometer
A diagnostic aid for comparing cavity temperature during a controlled check. It does not prove which internal component has failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
Common Questions
What does ERR003 error mean on Hisense oven?
ERR003 indicates a communication failure between the user interface and the power/control board, causing the oven to be unresponsive.
Can I fix Hisense oven ERR003 error myself?
Yes, you can attempt a basic power reset and check the cleanliness of the user interface.
How much does it cost to fix ERR003 error?
Repair costs for ERR003 typically range from $100 to $300, depending on the model and region.
When should I call a technician for ERR003?
Call a technician if the error persists after a power reset or if you are uncomfortable inspecting internal components.
Data last verified: 2026-07-31
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