Panasonic · Heat pumps · Panasonic Aquarea Bi-bloc (split), generation L (R290)
F22IPM (power transistor) overheating protection
Name in the manufacturer's documentation (service manual): IPM (power transistor) overheating protection
[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)
Safety notes from the documentation
- Always switch off the power before remove and connect the component.[6]
⚠ 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-SDC0509L3E5 / L6E5 + WH-WDG05/07/09LE5 (R290) (PAPAMY2307068CE) , p. 190 manufacturer document – copy from a distributor quote verified
F22 IPM (power transistor) overheating protection
- [2] Service Manual – WH-SDC0509L3E5 / L6E5 + WH-WDG05/07/09LE5 (R290) (PAPAMY2307068CE) , p. 225 manufacturer document – copy from a distributor quote verified
During operation of cooling and heating, when temperature 95°C is detected by the outdoor IPM temperature sensor.
- [3] Service Manual – WH-SDC0509L3E5 / L6E5 + WH-WDG05/07/09LE5 (R290) (PAPAMY2307068CE) , p. 225 manufacturer document – copy from a distributor quote verified
Continue 3 times in 30 minutes.
- [4] Service Manual – WH-SDC0509L3E5 / L6E5 + WH-WDG05/07/09LE5 (R290) (PAPAMY2307068CE) , p. 225 manufacturer document – copy from a distributor quote verified
Faulty outdoor unit fan motor.
- [5] Service Manual – WH-SDC0509L3E5 / L6E5 + WH-WDG05/07/09LE5 (R290) (PAPAMY2307068CE) , p. 225 manufacturer document – copy from a distributor quote verified
Faulty outdoor unit PCB (main).
- [6] Service Manual – WH-SDC0509L3E5 / L6E5 + WH-WDG05/07/09LE5 (R290) (PAPAMY2307068CE) , p. 225 manufacturer document – copy from a distributor quote verified
always switch off the power before remove and connect the component.