Samsung · Heat pumps · Samsung EHS Mono R32 (air-to-water monobloc)
203Communication error between INVERTER and MAIN MICOM (6 min)
Name in the manufacturer's documentation (service manual): Communication error between INVERTER and MAIN MICOM (6 min)
[1]
In plain words (editorial)
Communication error between the inverter and the main microcontroller (6 minutes). The service manual checks the communication and power cables between the main and inverter boards.
When to call a service technician: Communication wiring and PCBs are checked by the installer.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →
Sources
Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.
- [1] Samsung EHS R-32 Mono Outdoor (AE***RXYDEG/DGG) – Installation manual (DB68-08408A-07 (2024-01-10)) , p. 43 official manufacturer document quote verified
203 Communication error between INVERTER and MAIN MICOM (6 min)
- [2] Samsung – Eco Heating System, Service Manual: Outdoor unit (Split AE..RXEDEG, Mono AE..RXYDEG) + Tank integrated hydro unit – 2019 (PDF copy from distributor climamarket.bg) , p. 83 manufacturer document – copy from a distributor quote verified
is the communication cable connected properly between main pba and inverter pba?
- [3] Samsung – Eco Heating System, Service Manual: Outdoor unit (Split AE..RXEDEG, Mono AE..RXYDEG) + Tank integrated hydro unit – 2019 (PDF copy from distributor climamarket.bg) , p. 83 manufacturer document – copy from a distributor quote verified
is the power cable connected correctly?