c1 drafted · lead Solis_Manual_3P(125-255)K_5G_USA_V1.9(20230620)
- Solis_Manual_3P(125-255)K_5G_USA_V1.9(20230620)
tbl=15.r10h=8b1a0c30407d
Fault codes › Solis › Solis-3P(125-255)K-EHV-5G-US
Reports reverse polarity, unbalanced MPPT string connection; look at PV array; do: string polarity correction, string configuration correction.
Failure modes that present as the reported condition, and the tests that tell them apart.
Failure modes that present as the reported condition, and the tests that tell them apart.
tbl=15.r10 h=8b1a0c30407dThe manufacturer's own cause and corrective text is not reproduced here.
defined_inc1 drafted · lead Solis_Manual_3P(125-255)K_5G_USA_V1.9(20230620)
tbl=15.r10 h=8b1a0c30407dreportsc2 verified · fact Reverse polarity
tbl=15.r6 h=ae8f6533c032tbl=14.r6 h=07ff73591f84tbl=13.r6 h=07ff73591f84tbl=12.r6 h=1bc234caf689tbl=15.r10 h=8b1a0c30407dverified by: review-workflowverified on: 2026-10-23
c3 drafted · lead Unbalanced MPPT string connection
Alternative cause: strings with differing module counts on the inputs.
tbl=15.r6 h=ae8f6533c032tbl=14.r6 h=07ff73591f84tbl=13.r6 h=07ff73591f84tbl=12.r6 h=1bc234caf689affectstbl=15.r6 h=ae8f6533c032tbl=14.r6 h=07ff73591f84tbl=13.r6 h=07ff73591f84tbl=12.r6 h=1bc234caf689tbl=15.r10 h=8b1a0c30407dmitigated_byc5 drafted · lead String polarity correction
Correct only at night with string current below 0.5 A and DC switches off.
tbl=15.r6 h=ae8f6533c032tbl=14.r6 h=07ff73591f84tbl=13.r6 h=07ff73591f84tbl=12.r6 h=1bc234caf689tbl=15.r10 h=8b1a0c30407dc6 drafted · lead String configuration correction
Applies when polarity is correct but module counts differ between strings.
tbl=15.r6 h=ae8f6533c032tbl=14.r6 h=07ff73591f84tbl=13.r6 h=07ff73591f84tbl=12.r6 h=1bc234caf689applies_toc7 drafted · lead Solis-3P(125-255)K-EHV-5G-US
tbl=15.r10 h=8b1a0c30407d