Outdoor Malfunction 19 - Loop of the station detect error

What does 19 mean?

This error relates to a detection error within the unit's operational loop, often referring to a control or sensor circuit.

• Faulty sensor in the operating loop
• Issue with the control board
• Wiring harness problem

Click steps to track your progress.

1. 1

   Identify the 'Outdoor Malfunction 19' code.

2. 2

   Power down the air conditioner completely.

3. 3

   Check all visible wiring connections within the outdoor unit.

4. 4

   Turn the power back on and restart the system.

5. 5

   If the error persists, a service technician should diagnose the loop detection system.