Display shows H1 and the temperature reading is abnormally high even in a cool room.

Unplug the cooler before moving sensors or panels.

H1 indicates the sensor is reading an unusually high temperature or is out of its normal range.

• 1. Verify actual temperature:
  • Place an accurate thermometer inside the cabinet.
  • Compare the reading to the display.
• 2. Check door seal:
  • Inspect the Lanbo door gasket for gaps, tears, or warping.
  • Close the door on a sheet of paper; if it pulls out easily, the seal may be leaking.
• 3. Inspect sensor placement:
  • Ensure the cabinet sensor is not touching warm components or light fixtures.
  • Reposition it to the correct location if necessary.
• 4. Replace sensor if readings are inaccurate:
  • If the thermometer shows normal temperature but the display shows H1, replace the cabinet temperature sensor.
• 5. If problem persists:
  • The main control board may be misinterpreting sensor data and require replacement.