Fault Word 8, Bit 4 — Ckt1 Low discharge pressure alarm

What does Bit4: 1-Fault mean?

An alarm indicating low discharge pressure in Circuit 1. This is unusual and may point to a system issue.

• Low refrigerant charge
• Restriction in the liquid line
• Faulty discharge pressure sensor

Click steps to track your progress.

1. 1

   Check the refrigerant level (requires trained personnel).

2. 2

   Inspect the liquid line for blockages.

3. 3

   Verify the discharge pressure sensor is providing accurate readings.

4. 4

   A service technician is needed for diagnosis.