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Samsung · Heat pumps · Samsung EHS Mono R32 (air-to-water monobloc)

404Protection of OUTDOOR UNIT when it is overload (during Safety Start, Normal operation state)

Name in the manufacturer's documentation (service manual): Protection of OUTDOOR UNIT when it is overload (during Safety Start, Normal operation state)[1]

In plain words (editorial)

Overload protection of the outdoor unit. The service manual checks the refrigerant cycle, the power connection and the compressor connector and windings.

When to call a service technician: Contact an authorised Samsung service technician or your 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. [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 404 Protection of OUTDOOR UNIT when it is overload (during Safety Start, Normal operation state)
  2. [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. 71 manufacturer document – copy from a distributor quote verified Check cycle status
  3. [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. 71 manufacturer document – copy from a distributor quote verified Please check same as E461 and check compressor when it starts
  4. [4] 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. 87 manufacturer document – copy from a distributor quote verified is the power connected properly?
  5. [5] 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. 87 manufacturer document – copy from a distributor quote verified is the connector of compressor connected correctly?
  6. [6] 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. 87 manufacturer document – copy from a distributor quote verified is the resistance normal between each phase for compressor