Panasonic · Heat pumps · Panasonic Aquarea Bi-bloc (split), generation H
F46Outdoor Current Transformer open circuit
Name in the manufacturer's documentation (service manual): Outdoor Current Transformer open circuit
[1]
This page only quotes the original English documentation. A plain-language explanation has not been written yet, so the page is not indexed by search engines.
For technicians
Detection conditions (source text)
Possible causes (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
F46 Outdoor Current Transformer open circuit
- [2] Service Manual – WH-SDC03/05/07/09H3E5-1 + WH-UD03/05/07/09HE5-1 (PAPAMY1703036CE) , p. 201 manufacturer document – copy from a distributor quote verified
A current transformer (CT) open circuit is detected by checking the compressor running frequency ( rated frequency) and CT detected input current (< 0.65 A) for continuously 20 seconds.
- [3] Service Manual – WH-SDC03/05/07/09H3E5-1 + WH-UD03/05/07/09HE5-1 (PAPAMY1703036CE) , p. 201 manufacturer document – copy from a distributor quote verified
Continue 3 times in 20 minutes.
- [4] Service Manual – WH-SDC03/05/07/09H3E5-1 + WH-UD03/05/07/09HE5-1 (PAPAMY1703036CE) , p. 201 manufacturer document – copy from a distributor quote verified
CT defective.
- [5] Service Manual – WH-SDC03/05/07/09H3E5-1 + WH-UD03/05/07/09HE5-1 (PAPAMY1703036CE) , p. 201 manufacturer document – copy from a distributor quote verified
Faulty outdoor unit PCB (main).
- [6] Service Manual – WH-SDC03/05/07/09H3E5-1 + WH-UD03/05/07/09HE5-1 (PAPAMY1703036CE) , p. 201 manufacturer document – copy from a distributor quote verified
Compressor defective (low compression).