th-13 — Suction sensor fault, circuit B

What does th-13 mean?

• Thermistor sensor is defective.
• Wiring to the sensor is damaged.
• Sensor connection is loose.

Click steps to track your progress.

1. 1

   Check the wiring and connection of the suction sensor for circuit B.

2. 2

   Verify the sensor's readings or resistance.

3. 3

   Replace the sensor if it is defective.

4. 4

   Reset the alarm and monitor circuit B.