Error 190 — No temperature changes in EVA IN during pipe inspection or incorrect temperature

What does 190 mean?

During pipe inspection, no temperature change is detected at the EVA IN sensor, or the temperature reading is incorrect. This could also be related to a wrong unit address.

• EVA IN sensor malfunction
• Incorrect unit address setting
• Problem with refrigerant flow affecting temperature
• Faulty pipe inspection process

Click steps to track your progress.

1. 1

   Verify the EVA IN sensor is correctly installed and functioning.

2. 2

   Check the unit's address setting to ensure it is correct.

3. 3

   Ensure there are no obstructions to the refrigerant flow.

4. 4

   Follow the specific procedure for pipe inspection if applicable.