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Panasonic · Heat pumps · Panasonic Aquarea Monobloc, generation H

H67Abnormal External Thermistor 1

Name in the manufacturer's documentation (service manual): Abnormal External Thermistor 1[1]

In plain words (editorial)

The controller gets an implausible reading from external thermistor 1 (room temperature sensor of zone 1).

When to call a service technician: Ask the installer to check the sensor, its connector and wiring (power off first).

✎ 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. 145 official manufacturer document quote verified H67 Abnormal External Thermistor 1
  2. [2] Service Manual – Mono Bloc Unit WH-MDC05H3E5 / 07 / 09 (PAPAMY1709003CE) , p. 162 official manufacturer document quote verified Continue for 5 seconds.
  3. [3] Service Manual – Mono Bloc Unit WH-MDC05H3E5 / 07 / 09 (PAPAMY1709003CE) , p. 162 official manufacturer document quote verified Faulty connector connection.
  4. [4] Service Manual – Mono Bloc Unit WH-MDC05H3E5 / 07 / 09 (PAPAMY1709003CE) , p. 162 official manufacturer document quote verified Faulty room temperature zone 1 sensor.
  5. [5] Service Manual – Mono Bloc Unit WH-MDC05H3E5 / 07 / 09 (PAPAMY1709003CE) , p. 162 official manufacturer document quote verified Faulty indoor sub PCB.
  6. [6] Service Manual – Mono Bloc Unit WH-MDC05H3E5 / 07 / 09 (PAPAMY1709003CE) , p. 162 official manufacturer document quote verified always switch off the power before remove and connect the component.