Alarm 192 - Thermal Protection Switch Trip

What does 192 mean?

A thermal protection switch has opened due to a temperature rise, de-energizing the compressor. The compressor is off.

• High temperature condition
• Thermal protection switch malfunction

Click steps to track your progress.

1. 1

   Check the thermal protection switch.

2. 2

   Check the refrigerant charge.

3. 3

   Check the fans.

4. 4

   Check the coil.

5. 5

   The unit controller will clear the alarm when the switch closes and the minimum off delay has expired.