Error H28 — Solar sensor error

What does H28 mean?

A sensor measuring solar input is not functioning correctly. This affects systems that integrate solar power.

• Faulty solar sensor.
• Damaged wiring to the solar sensor.
• Incorrect installation of the solar sensor.

Click steps to track your progress.

1. 1

   Check that the solar sensor is clean and unobstructed.

2. 2

   Restart the system.

3. 3

   Verify that the solar panel connections are secure, if applicable.

4. 4

   Contact your installer to inspect the sensor and its wiring.