Viessmann · Heat pumps · Viessmann Vitocal 250-A (One Base, monobloc)
F.102Communication error, Wi-Fi communication module
Name in the manufacturer's documentation (service manual): Communication error, Wi-Fi communication module
[1]
In plain words (editorial)
Communication error with the Wi-Fi communication module – no Wi-Fi. The manual's remedy is replacing the module.
When to call a service technician: Contact your heating contractor.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
For technicians
Possible causes (source text)
- Communication error, WiFi communication module[2]
Steps given by the manufacturer (source text)
- Replace the WiFi communication module.[3]
What the device does (source text)
- No WiFi[4]
⚠ 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] Viessmann – Service instructions: System configuration and diagnosis for heat pumps with Viessmann One Base (6194799 GB, 3/2022) (6194799 GB (3/2022)) , p. 53 manufacturer document – copy from a distributor quote verified
F.102
- [2] Viessmann – Service instructions: System configuration and diagnosis for heat pumps with Viessmann One Base (6194799 GB, 3/2022) (6194799 GB (3/2022)) , p. 53 manufacturer document – copy from a distributor quote verified
Communication error, Wi- Fi communication module
- [3] Viessmann – Service instructions: System configuration and diagnosis for heat pumps with Viessmann One Base (6194799 GB, 3/2022) (6194799 GB (3/2022)) , p. 53 manufacturer document – copy from a distributor quote verified
Replace the WiFi communication module
- [4] Viessmann – Service instructions: System configuration and diagnosis for heat pumps with Viessmann One Base (6194799 GB, 3/2022) (6194799 GB (3/2022)) , p. 53 manufacturer document – copy from a distributor quote verified
No WiFi