LG · Heat pumps · LG Therma V Monobloc (air-to-water heat pump)
CH52PCB Communication Error
Name in the manufacturer's documentation (service manual): PCB Communication Error
[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
Possible causes (source text)
- Generation of noise source interfering with communication[2]
Notes from the documentation
- Checking the communication state between Main PCB and Inverter PCB[3]
⚠ 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] LG Therma V Monobloc – Installation manual (MFL68026607 Rev.21) (MFL68026607 Rev.21_062126) , p. 279 official manufacturer document quote verified
52 PCB Communication Error
- [2] LG Therma V Monobloc – Installation manual (MFL68026607 Rev.21) (MFL68026607 Rev.21_062126) , p. 279 official manufacturer document quote verified
Generation of noise source interfering with communication
- [3] LG Therma V Monobloc – Installation manual (MFL68026607 Rev.21) (MFL68026607 Rev.21_062126) , p. 279 official manufacturer document quote verified
Checking the communication state between Main PCB and Inverter PCB