W32Warning

DEYE inverter error W32

Parallel Communication Warning

Warningthe red LED flashes and the inverter keeps running. Deal with it before it escalates.

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 WarningParallel_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

  1. Check the connection of the parallel communication line; do not wind the parallel communication line together with other cables
  2. Check whether the parallel DIP switch is on.

Source: 037_BManual_SUN-5_6_8_10_12_15_20_25K-SG01HP3-EU-AM2_20260224_en_9ef2717c.pdf, p.48 · 050_BManual_SUN-29.9_30_35_40_50K-SG01HP3-EU-BM3_4_20260224_en_544e1b2f.pdf, p.49 · 062_BManual__SUN-60_70_75_80K-SG02HP3-EU-EM6_20260224_en_38cbc9f6.pdf, p.49

Frequently asked questions

What does error W32 mean on a DEYE inverter?
W32 means: Parallel Communication Warning. The parallel communication line connection is unstable (for example, wound together with other cables), or the parallel DIP switch is not on.
Is error W32 a fault or a warning?
W32 is a warning: the red LED flashes and the unit keeps running. Fix the underlying condition before it escalates.
How do I clear or fix error W32?
1. Check the connection of the parallel communication line; do not wind the parallel communication line together with other cables.

Related error codes

Prefer the full written guide? Read the complete DEYE inverter error-code guide

Compiled from official DEYE user manuals. Always consult your device manual and a qualified technician before performing repairs.