Panasonic · Heat pumps · Panasonic Aquarea Bi-bloc (split), generation H
F23Outdoor Direct Current (DC) peak detection
Name in the manufacturer's documentation (service manual): Outdoor Direct Current (DC) peak detection
[1]
In plain words (editorial)
The outdoor unit detected a DC current peak (DC peak detection) several times. The service manual lists the outdoor unit PCB or the compressor.
When to call a service technician: Call the installer – the checks are done inside the unit.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
For technicians
Detection conditions (source text)
⚠ Work on refrigerant circuits, mains electricity and PV DC wiring is for qualified technicians only.
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] Service Manual – WH-SDC03/05/07/09H3E5-1 + WH-UD03/05/07/09HE5-1 (PAPAMY1703036CE) , p. 154 manufacturer document – copy from a distributor quote verified
F23 Outdoor Direct Current (DC) peak detection
- [2] Service Manual – WH-SDC03/05/07/09H3E5-1 + WH-UD03/05/07/09HE5-1 (PAPAMY1703036CE) , p. 187 manufacturer document – copy from a distributor quote verified
During operation of cooling and heating, when outdoor DC current is above 34 A is detected by the IPM DC Peak sensing circuitry in the outdoor unit PCB (main).
- [3] Service Manual – WH-SDC03/05/07/09H3E5-1 + WH-UD03/05/07/09HE5-1 (PAPAMY1703036CE) , p. 187 manufacturer document – copy from a distributor quote verified
Continue for 7 times.
- [4] Service Manual – WH-SDC03/05/07/09H3E5-1 + WH-UD03/05/07/09HE5-1 (PAPAMY1703036CE) , p. 187 manufacturer document – copy from a distributor quote verified
Faulty outdoor unit PCB (main).
- [5] Service Manual – WH-SDC03/05/07/09H3E5-1 + WH-UD03/05/07/09HE5-1 (PAPAMY1703036CE) , p. 187 manufacturer document – copy from a distributor quote verified
Faulty compressor.