E556 — Capacity Inconsistency Error

What does E556 mean?

This error indicates an inconsistency in the capacity settings or model information between the outdoor and indoor units, which can prevent proper operation.

• Mismatch between the model names of the outdoor and indoor units.
• Incorrect option code entered for the indoor unit.

Click steps to track your progress.

1. 1

   Turn off the air conditioner at the main power switch or circuit breaker and wait 30 seconds.

2. 2

   Turn the power back on.

3. 3

   Verify that the specific model names and capacity ratings of your indoor and outdoor units are compatible and correctly configured.

4. 4

   If the error persists, contact customer support, as re-entering option codes requires professional knowledge.