Fault Word 6, Bit 8 — Ckt1 BPHE anti-freeze protect

What does Bit8: 1-Fault mean?

The anti-freeze protection for the Brazed Plate Heat Exchanger (BPHE) in Circuit 1 has been activated.

• Low water flow through the BPHE
• Low ambient temperature affecting the BPHE
• Incorrect anti-freeze setting

Click steps to track your progress.

1. 1

   Ensure adequate water flow through Circuit 1 BPHE.

2. 2

   Check ambient conditions and ensure they are within operating limits.

3. 3

   Verify anti-freeze settings are correct.

4. 4

   Contact service if the protection trips repeatedly.