!!
critical Honeywell
Error Code Pipe Sensor Failure
A high-severity alarm indicating the pipe temperature sensor is not functioning properly or is disconnected.
? What Causes This
Sensor disconnection, sensor malfunction, wiring issues, or defective sensor.
✓ How to Fix It
- Check pipe sensor connections.
- Verify sensor type configuration.
- Replace sensor if damaged.
- Contact service personnel.
Source: page 118 of the official manual
From the manual
