J3-00 — OU: Malfunction of discharge pipe thermistor

¿Qué significa J3-00 ?

The thermistor (temperature sensor) on the discharge pipe of the outdoor unit (OU) is malfunctioning.

• Faulty thermistor
• Wiring issue
• Improper sensor contact

Haga clic en los pasos para seguir su progreso.

1. 1

   Check the wiring connected to the discharge pipe thermistor.

2. 2

   Ensure the thermistor is securely attached to the pipe.

3. 3

   Restart the unit.

4. 4

   A service technician should diagnose the thermistor.