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Panasonic · Heat pumps · Panasonic Aquarea Monobloc, generation H

F42Outdoor heat exchanger temperature sensor abnormality

Name in the manufacturer's documentation (service manual): Outdoor heat exchanger temperature sensor abnormality[1]

In plain words (editorial)

The heat pump has detected a fault of the outdoor heat exchanger temperature sensor (its reading is used to detect a sensor error). The service manual names a faulty connector connection, the sensor itself or the outdoor unit PCB as causes.

When to call a service technician: Contact the installer or Panasonic service – the sensor, its connector and the PCB are checked inside the unit.

✎ 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 – Mono Bloc Unit WH-MDC05H3E5 / 07 / 09 (PAPAMY1709003CE) , p. 146 official manufacturer document quote verified F42 Outdoor heat exchanger temperature sensor abnormality
  2. [2] Service Manual – Mono Bloc Unit WH-MDC05H3E5 / 07 / 09 (PAPAMY1709003CE) , p. 190 official manufacturer document quote verified During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor error.
  3. [3] Service Manual – Mono Bloc Unit WH-MDC05H3E5 / 07 / 09 (PAPAMY1709003CE) , p. 190 official manufacturer document quote verified Continue for 5 seconds.
  4. [4] Service Manual – Mono Bloc Unit WH-MDC05H3E5 / 07 / 09 (PAPAMY1709003CE) , p. 190 official manufacturer document quote verified Faulty connector connection.
  5. [5] Service Manual – Mono Bloc Unit WH-MDC05H3E5 / 07 / 09 (PAPAMY1709003CE) , p. 190 official manufacturer document quote verified Faulty sensor.
  6. [6] Service Manual – Mono Bloc Unit WH-MDC05H3E5 / 07 / 09 (PAPAMY1709003CE) , p. 190 official manufacturer document quote verified Faulty outdoor unit PCB (main).