Senville EH 02 error code: zero-crossing signal fault

What Does Error EH 02 Mean?

Senville says EH 02 on applicable LETO and AURA equipment means the indoor PCB is not receiving the expected zero-crossing feedback associated with the AC fan motor; it does not apply the same way to DC-motor designs. Applies to: LETO and AURA models using an applicable AC fan motor This code is attached to a specific indoor fan motor design. Senville support scopes EH 02 to LETO and AURA models using the applicable AC fan motor, so a model built around a DC motor does not share the same signal arrangement and should not be diagnosed from this entry. Owner-safe checks: Confirm the exact series and whether the model uses the applicable AC fan motor before using this diagnosis. | Turn off system power completely, wait two minutes as Senville directs, and observe whether the code returns. Qualified technician: If the code remains, wiring, supply, fan design, and indoor PCB checks belong with qualified service. | Do not access the indoor electrical enclosure or test energized components.