Panasonic · Heat pumps · Panasonic Aquarea T-CAP Monobloc, generation J (R32)
F24Refrigeration cycle abnormality
Name in the manufacturer's documentation (service manual): Refrigeration cycle abnormality
[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)
- 1 During operation running (heating / cooling) for more than 5 minutes expect deice, pumpdown and test mode. 2 During heating / cooling, water outlet and water inlet difference is less than 1°C. 3 During heating / cooling, high pressure < 1.90MPa (275 Psi) for more than 10 minutes or < 1.6MPa (232 Psi) for more than 4 minutes. 4 During heating / cooling, discharge temperature - saturation temperature of high pressure ≥ 60°C.[2]
- Continue 2 times in 30 minutes.[3]
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 – Mono Bloc Unit WH-MXC09J3E5 / WH-MXC12J6E5 (Aquarea T-CAP, R32) (PAPAMY2101001CE) , p. 165 official manufacturer document quote verified
F24 Refrigeration cycle abnormality
- [2] Service Manual – Mono Bloc Unit WH-MXC09J3E5 / WH-MXC12J6E5 (Aquarea T-CAP, R32) (PAPAMY2101001CE) , p. 200 official manufacturer document quote verified
1 During operation running (heating / cooling) for more than 5 minutes expect deice, pumpdown and test mode. 2 During heating / cooling, water outlet and water inlet difference is less than 1°C. 3 During heating / coolin…
- [3] Service Manual – Mono Bloc Unit WH-MXC09J3E5 / WH-MXC12J6E5 (Aquarea T-CAP, R32) (PAPAMY2101001CE) , p. 200 official manufacturer document quote verified
Continue 2 times in 30 minutes.
- [4] Service Manual – Mono Bloc Unit WH-MXC09J3E5 / WH-MXC12J6E5 (Aquarea T-CAP, R32) (PAPAMY2101001CE) , p. 200 official manufacturer document quote verified
Refrigerant shortage (refrigerant leakage).
- [5] Service Manual – Mono Bloc Unit WH-MXC09J3E5 / WH-MXC12J6E5 (Aquarea T-CAP, R32) (PAPAMY2101001CE) , p. 200 official manufacturer document quote verified
Faulty indoor water inlet, indoor water outlet, compressor discharge temp sensor or high pressure sensor.
- [6] Service Manual – Mono Bloc Unit WH-MXC09J3E5 / WH-MXC12J6E5 (Aquarea T-CAP, R32) (PAPAMY2101001CE) , p. 200 official manufacturer document quote verified
2/3 way valve closed.
- [7] Service Manual – Mono Bloc Unit WH-MXC09J3E5 / WH-MXC12J6E5 (Aquarea T-CAP, R32) (PAPAMY2101001CE) , p. 200 official manufacturer document quote verified
Clogged expansion valve or strainer.
- [8] Service Manual – Mono Bloc Unit WH-MXC09J3E5 / WH-MXC12J6E5 (Aquarea T-CAP, R32) (PAPAMY2101001CE) , p. 200 official manufacturer document quote verified
Faulty outdoor unit PCB (main).
- [9] Service Manual – Mono Bloc Unit WH-MXC09J3E5 / WH-MXC12J6E5 (Aquarea T-CAP, R32) (PAPAMY2101001CE) , p. 200 official manufacturer document quote verified
Poor compression of compressor.