Error 130 — Heat exchanger in/out sensors detached

What does 130 mean?

Both the inlet and outlet temperature sensors for the indoor unit's heat exchanger are physically detached. This significant sensor detachment can cause major operational issues and incorrect temperature control.

• Loose mounting of multiple sensors
• Vibration or physical movement
• Improper installation of sensors

Click steps to track your progress.

1. 1

   Isolate the indoor unit by turning off its power supply from the circuit breaker.

2. 2

   Locate both the heat exchanger inlet and outlet sensors.

3. 3

   Securely reattach both sensors to their respective positions on the heat exchanger pipes.

4. 4

   Ensure all retaining clips or straps are properly fastened.

5. 5

   Restore power and check the unit's status. If the sensors cannot be secured, or if the error persists, contact an HVAC professional.