Also applies to:SUN-5K-SG01HP3-EU-AM2SUN-6K-SG01HP3-EU-AM2SUN-8K-SG01HP3-EU-AM2SUN-10K-SG01HP3-EU-AM2SUN-12K-SG01HP3-EU-AM2SUN-15K-SG01HP3-EU-AM2SUN-20K-SG01HP3-EU-AM2SUN-25K-SG01HP3-EU-AM2+9
What it means
Parallel Communication Warning — Parallel_comm_warn - unstable communication between paralleled inverters.
Cause: The parallel communication line connection is unstable (for example, wound together with other cables), or the parallel DIP switch is not on.
How to fix it
- Check the connection of the parallel communication line; do not wind the parallel communication line together with other cables
- Check whether the parallel DIP switch is on.
Source: sun-12k-sg01hp3-eu-am2-manual.pdf, p.48 · sun-29.9-30-35-40-50k-sg01hp3-eu-bm3-4-20260224-en-manual.pdf, p.49 · sun-60-70-75-80k-sg02hp3-eu-em6-20260224-en-manual.pdf, p.49