Heat pumps · Error codes · alpha innotec
801alpha innotec · alpha innotec, all models
801 on an alpha innotec heat pump: HP offline: The heating and heat pump controller has no internet connection
Short answer
On an alpha innotec heat pump, 801 means: HP offline: The heating and heat pump controller has no internet connection. The heat pump keeps running.
Reviewed 23 September 2026 · 1 source
What it means
The manual says: HP offline: The heating and heat pump controller has no internet connection.
When it shows: The heating and heat pump controller has no internet connection.
Likely causes:
- No internet connection.
Is it safe?
| Does the heat pump stop? | No |
|---|---|
| Severity | Information only |
| Engineer needed? | No |
The heat pump keeps running.
Resetting itself: unknown.
Manual reset: n/a.
What you can check
- Check your home router/internet connection and the network cable to the heat pump controller.
- Note the error number shown.
What the engineer will check
- Establish internet connection.
Who to ask for: heat pump / heating engineer.
What you might notice
Sources
- Operating manual Luxtronik heating and heat pump control Part 2 (UK) 83055400lUK - 2.1 ↗ · 83055400lUK 2.1 · page 55 · Reviewed 23 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 23 September 2026