Skip to content
EN

Panasonic · Heat pumps · Panasonic Aquarea Bi-bloc (split), generation L (R290)

F27Pressure switch abnormality

Name in the manufacturer's documentation (service manual): Pressure switch abnormality[1]

In plain words (editorial)

The high-pressure switch should be closed while the compressor is stopped, but the unit sees it open – usually the switch itself, its connector or the PCB.

When to call a service technician: Call a service technician with F-gas certification – this concerns the refrigerant circuit.

✎ 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] Service Manual – WH-SDC0509L3E5 / L6E5 + WH-WDG05/07/09LE5 (R290) (PAPAMY2307068CE) , p. 190 manufacturer document – copy from a distributor quote verified F27 Pressure switch abnormality
  2. [2] Service Manual – WH-SDC0509L3E5 / L6E5 + WH-WDG05/07/09LE5 (R290) (PAPAMY2307068CE) , p. 229 manufacturer document – copy from a distributor quote verified During compressor stop, and outdoor high pressure switch is remain opened.
  3. [3] Service Manual – WH-SDC0509L3E5 / L6E5 + WH-WDG05/07/09LE5 (R290) (PAPAMY2307068CE) , p. 229 manufacturer document – copy from a distributor quote verified Continue for 1 minute.
  4. [4] Service Manual – WH-SDC0509L3E5 / L6E5 + WH-WDG05/07/09LE5 (R290) (PAPAMY2307068CE) , p. 229 manufacturer document – copy from a distributor quote verified Faulty connector connection.
  5. [5] Service Manual – WH-SDC0509L3E5 / L6E5 + WH-WDG05/07/09LE5 (R290) (PAPAMY2307068CE) , p. 229 manufacturer document – copy from a distributor quote verified Faulty switch.
  6. [6] Service Manual – WH-SDC0509L3E5 / L6E5 + WH-WDG05/07/09LE5 (R290) (PAPAMY2307068CE) , p. 229 manufacturer document – copy from a distributor quote verified Faulty outdoor unit PCB (main).