110

String 5 Abnormal

Huawei · SUN2000 8-28KTL Solar Inverter

What does 110 mean?

A warning indicating that PV string 5 is performing abnormally, possibly due to long-term shielding or deterioration. This results in reduced power output from the specific string, decreasing overall system efficiency.

Common Causes

  • PV string 5 has been shielded for a long time.
  • PV string 5 has deteriorated.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check whether the output current of PV string 5 is significantly less than the output current of other PV strings.

  2. 2

    If current is low, check whether PV string 5 is shielded by contaminants or obstructions.

  3. 3

    If PV string 5 is clean and not shielded, check individual PV modules within string 5 for faults.

Browse all codes in this manual (26)
Verified technical data. Last updated: March 2026

Related Faults

Source: Huawei SUN2000 8-28KTL Solar Inverter