Error 135 — RPM feedback error of indoor unit's cleaning fan

What does 135 mean?

The indoor unit's cleaning fan is not providing correct RPM (rotations per minute) feedback. This suggests the fan isn't operating as expected or its sensor is faulty, impacting indoor air quality functions.

• Blocked cleaning fan
• Faulty cleaning fan motor
• RPM sensor malfunction
• Wiring issue to the cleaning fan

Click steps to track your progress.

1. 1

   Turn off the indoor unit's power at the circuit breaker.

2. 2

   Check for any obstructions (e.g., debris) that might be preventing the cleaning fan from spinning freely.

3. 3

   Inspect the fan motor's wiring connections for looseness or damage.

4. 4

   Power cycle the indoor unit by turning its breaker off for 30 seconds, then back on.

5. 5

   If the error persists, the cleaning fan motor or its feedback sensor may need to be replaced by a technician.