FAQ - esy sunhome

FAQ title

Q: The battery SOC is sufficient, but it remains idle.

A: Despite sufficient State of Charge (SOC), the battery operation is limited, likely due to protection events such as those for temperature, voltage, current, etc.
Q: The battery SOC is around 30%, but it is idle and not discharging. Why?

A: When the battery reaches the default cutoff SOC of 15%, it must first be recharged to 35% using PV energy before discharging can resume. This design protects battery lifespan and avoids frequent short cycling.
Q: Why does the system show a bypass overload alarm?

A: Please check whether the backup load exceeds 6 kW. If so, the system cannot switch to a 25A MCB for protection.
Q: Why is there sufficient PV power but the battery is not charging?

A: The battery responds gradually as PV output increases. If you continue monitoring the system, you should see charging start as PV power stabilizes.
Q: Why does the system import power even when the battery SOC is sufficient (no sudden load increase)?

A: Even with sufficient SOC, small amounts of grid import may occur due to normal load fluctuations. This is unavoidable in real-world operation. Some systems may hide this behavior, but we provide accurate and transparent data.
Q: Why does the system import power even when the battery SOC is sufficient (sudden load increase)?

A: The grid reacts fastest to sudden changes in load or PV output. Battery power adjustment is slightly slower, so brief grid import may occur.
Q: What do the LED indicators mean?

A:

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