Issues

• Integration Challenge: Connecting AT1548LVT Battery Racks to Deye Inverter via Siemens LOGO! 8 (Modbus Gateway / Custom Protocol)

  kellerza/sunsynk#697 · Filter by author raedalabse opened on Oct 7, 2026

• PV2 Values Missing

  kellerza/sunsynk#694 · Filter by author rjdza opened on Oct 4, 2026

• AsyncCallback checks busy tasks every 10 ms and inflates stat_busy_count

  kellerza/sunsynk#693 · Filter by author hf7a opened on Sep 27, 2026

• write_sensor() ignores failed Modbus writes and updates the register cache

  kellerza/sunsynk#692 · Filter by author hf7a opened on Sep 27, 2026

• Unable to read modbus registers after updating to version >= 1.0

  solarman
  kellerza/sunsynk#689 · Filter by author PostICT opened on Sep 3, 2026
  1

• PV not updating after update WARNING Discarding 1 byte(s): FF

  kellerza/sunsynk#688 · Filter by author khandila opened on Sep 1, 2026
  1

• Grid Relay Status missing after update to last docker image

  kellerza/sunsynk#685 · Filter by author olektu2204 opened on Aug 27, 2026
  2

• v1.1.x (tmodbus) causes "Async TCP connection closed by remote host" on USR-N540 gateways

  kellerza/sunsynk#683 · Filter by author HAPV2 opened on Aug 24, 2026
  12

• three-phase: entity unique_id follows primary name, not alias — old entity orphaned with no deprecated mapping

  kellerza/sunsynk#681 · Filter by author martinarva opened on Aug 22, 2026
  2

• pv1_power missing

  documentation
  kellerza/sunsynk#679 · Filter by author gitHJ1234 opened on Aug 20, 2026
  11

• RS485/Modbus timeout errors after upgrading to v1.0.0 (Deye 8K single-phase)

  kellerza/sunsynk#672 · Filter by author alexandre33700 opened on Aug 17, 2026
  79

• Deye logger serial number outside of expected range

  kellerza/sunsynk#659 · Filter by author testsrv78 opened on Jul 22, 2026
  1

• Controling "AC Couple" option of the Inverter ?

  kellerza/sunsynk#642 · Filter by author championc opened on Jun 9, 2026
  1

• Fuji Micro inverter not able to connect

  kellerza/sunsynk#641 · Filter by author monterifnsr-hub opened on Jun 9, 2026
  1

• USR-TCP232-304 not getting data from Sunsynk inverter

  kellerza/sunsynk#626 · Filter by author RolandSwe opened on Apr 21, 2026
  1

• Battery_float_voltage writing

  kellerza/sunsynk#586 · Filter by author helnora opened on Jan 22, 2026
  3

• Power from generator connector

  kellerza/sunsynk#583 · Filter by author Yohan30 opened on Jan 8, 2026
  4

• deye_off_grid switch [feature request]

  enhancement
  kellerza/sunsynk#548 · Filter by author olektu2204 opened on Oct 23, 2025
  39

• Approved work with Deye 6K-SG03LP1-EU

  documentationrs485 adaptors
  kellerza/sunsynk#453 · Filter by author mamontuka opened on Apr 6, 2025
  4

• Sunsynk Load Limit, Time of Use settings not taking.

  documentation
  kellerza/sunsynk#331 · Filter by author HarrisHome opened on Aug 29, 2024
  13

• Total Grid Import: Does not match with actual grid import

  documentationwontfix
  kellerza/sunsynk#140 · Filter by author kloon opened on May 22, 2023
  12