Ariston VELIS TECH WI-FI 45 error codes & fixes
Choose an error code below to jump to the exact fix. If you’re not sure, use the model-scoped search.
Try E2, temperature, or won’t start.
Error codes
Pick your code to open the fix page.
Recently updated fixes
Fresh pages first — useful when you’re troubleshooting right now.
Ariston VELIS TECH WI-FI 45 Error Code 61/62
Ariston VELIS TECH WI-FI 45 error code 61/62 means internal malfunction of the circuit board related to NFC communication or NFC data. This guide explains the likely causes, the safest firs…
Ariston VELIS TECH WI-FI 45 Error Code 60
Ariston VELIS TECH WI-FI 45 error code 60 means wi-Fi communication failure (models with the interface shown in Fig. This guide explains the likely causes, the safest first checks, and when…
Ariston VELIS TECH WI-FI 45 Error Code 25
Ariston VELIS TECH WI-FI 45 error code 25 means overheating caused by lack of water at boiler inlet. This guide explains the likely causes, the safest first checks, and when support or serv…
Ariston VELIS TECH WI-FI 45 Error Code 24
Ariston VELIS TECH WI-FI 45 error code 24 means failure to heat water with powered heating element at boiler inlet. This guide explains the likely causes, the safest first checks, and when…
Ariston VELIS TECH WI-FI 45 Error Code 22
Ariston VELIS TECH WI-FI 45 error code 22 means general excessive water temperature (circuit board fault) at boiler inlet. This guide explains the likely causes, the safest first checks, an…
Ariston VELIS TECH WI-FI 45 Error Code 21
Ariston VELIS TECH WI-FI 45 error code 21 means excessive water temperature detected by single sensor at boiler inlet. This guide explains the likely causes, the safest first checks, and wh…
Ariston VELIS TECH WI-FI 45 Error Code 20
Ariston VELIS TECH WI-FI 45 error code 20 means broken temperature probes (open or short-circuited) at boiler inlet. This guide explains the likely causes, the safest first checks, and when…
Ariston VELIS TECH WI-FI 45 Error Code 15
Ariston VELIS TECH WI-FI 45 error code 15 means overheating caused by lack of water at boiler outlet. This guide explains the likely causes, the safest first checks, and when support or ser…
All fixes for this model
One card per code. If a code has multiple variants, the card opens the filtered results list.
Ariston VELIS TECH WI-FI 45 Error Code 61/62
Ariston VELIS TECH WI-FI 45 error code 61/62 means internal malfunction of the circuit board related to NFC communication or NFC data. This guide explains the likely causes, the safest firs…
Ariston VELIS TECH WI-FI 45 Error Code 60
Ariston VELIS TECH WI-FI 45 error code 60 means wi-Fi communication failure (models with the interface shown in Fig. This guide explains the likely causes, the safest first checks, and when…
Ariston VELIS TECH WI-FI 45 Error Code 25
Ariston VELIS TECH WI-FI 45 error code 25 means overheating caused by lack of water at boiler inlet. This guide explains the likely causes, the safest first checks, and when support or serv…
Ariston VELIS TECH WI-FI 45 Error Code 24
Ariston VELIS TECH WI-FI 45 error code 24 means failure to heat water with powered heating element at boiler inlet. This guide explains the likely causes, the safest first checks, and when…
Ariston VELIS TECH WI-FI 45 Error Code 22
Ariston VELIS TECH WI-FI 45 error code 22 means general excessive water temperature (circuit board fault) at boiler inlet. This guide explains the likely causes, the safest first checks, an…
Ariston VELIS TECH WI-FI 45 Error Code 21
Ariston VELIS TECH WI-FI 45 error code 21 means excessive water temperature detected by single sensor at boiler inlet. This guide explains the likely causes, the safest first checks, and wh…
Ariston VELIS TECH WI-FI 45 Error Code 20
Ariston VELIS TECH WI-FI 45 error code 20 means broken temperature probes (open or short-circuited) at boiler inlet. This guide explains the likely causes, the safest first checks, and when…
Ariston VELIS TECH WI-FI 45 Error Code 15
Ariston VELIS TECH WI-FI 45 error code 15 means overheating caused by lack of water at boiler outlet. This guide explains the likely causes, the safest first checks, and when support or ser…
Ariston VELIS TECH WI-FI 45 Error Code 14
Ariston VELIS TECH WI-FI 45 error code 14 means failure to heat water with powered heating element at boiler outlet. This guide explains the likely causes, the safest first checks, and when…
Ariston VELIS TECH WI-FI 45 Error Code 12
Ariston VELIS TECH WI-FI 45 error code 12 means general excessive water temperature (circuit board fault) at boiler outlet. This guide explains the likely causes, the safest first checks, a…
Ariston VELIS TECH WI-FI 45 Error Code 11
Ariston VELIS TECH WI-FI 45 error code 11 means excessive water temperature detected by single sensor at boiler outlet. This guide explains the likely causes, the safest first checks, and w…
Ariston VELIS TECH WI-FI 45 Error Code 10
Ariston VELIS TECH WI-FI 45 error code 10 means broken temperature probes (open or short-circuited) at boiler outlet. This guide explains the likely causes, the safest first checks, and whe…
Ariston VELIS TECH WI-FI 45 Error Code 01
Ariston VELIS TECH WI-FI 45 error code 01 means internal malfunction of the circuit board. This guide explains the likely causes, the safest first checks, and when support or service is the…
About this model
If your device shows an error code, start with the matching fix page. When a code returns repeatedly, it often points to an underlying cause (temperature, power delivery, sensors, locks, or wear).
Always follow basic safety: unplug before opening anything, and stop if you smell burning or see damage.