Unsupported USB serial port number

5028

Category: Warning

Unsupported port number.

Check port number configuration.

Applicable equipment

Source: Fault JSON · SIASUN_fault_codes_zh_en.json · SHA-256 6c0f522d736959ca7cdcdda63caf77893e1696e888347e1f888c6cac787d8eb1 · 5028

Brand	SIASUN
Updated	2026-10-27

5028

Category: Warning

Unsupported port number.

Check port number configuration.

Applicable equipment

Source: Fault JSON · SIASUN_fault_codes_zh_en.json · SHA-256 6c0f522d736959ca7cdcdda63caf77893e1696e888347e1f888c6cac787d8eb1 · 5028

Brand	SIASUN
Updated	2026-10-27