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

  1. Turn off the oven and disconnect it from power (unplug or switch off at breaker).
  2. Wait a few minutes to ensure capacitors discharge and any transient communications resets can occur.
  3. Reconnect power and power on the oven to see if the error clears.
  4. 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

  1. Disconnect power to the oven.
  2. Open the oven control area to access the UI board, control board, and wiring harness.
  3. 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.
  4. Test or replace the UI board and/or control board if wiring and connectors are intact but communication faults persist.
  5. Reassemble and verify operation after repairs.

Parts needed: User interface board, Control/power board, Wiring harness between UI and power/control board

🛑 When to Call a Pro:
  • Error persists after basic power reset and cleaning
  • User is uncomfortable or unqualified to open/inspect internal electrical components

Technical Specifications

wattage 3000W
component Heating Element
resistance 10-30 ohms
part_number HIS-HE-12345
voltage_rating 240V AC

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: 2026-04-14

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