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

425Power source line missing error (only for 3-phase model)

Name in the manufacturer's documentation (service manual): Power source line missing error (only for 3-phase model)[1]

In plain words (editorial)

A power supply line is missing (3-phase models only). The service manual says to check the power lines R, S, T and N; the unit restarts operation afterwards.

When to call a service technician: Have an electrician check the supply phases.

✎ 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 425 Power source line missing error (only for 3-phase model)
  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 Power Line-R,S,T,N
  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 restart operation