H25 — Defective ionization unit or internal board

What does H25 mean?

This error indicates a problem with the ionization unit or the internal control board of the unit. Either component may be faulty.

• The ionization unit has malfunctioned.
• The internal control board is defective.
• Loose connections within the unit.

Click steps to track your progress.

1. 1

   Check connections to the ionization unit and internal board.

2. 2

   Inspect both components for visible signs of damage.

3. 3

   A professional diagnosis may be required for board-level issues.

4. 4

   Turn off the unit, unplug it, wait 30 seconds, and plug it back in to reset.