Heat pumps · Error codes · Immergas
PUMP-E07Immergas · MAGIS M monobloc R32 (M4-M30 T) - sold in UK as Alpha Magis M
PUMP-E07 on an Immergas MAGIS M monobloc R32 - sold in UK as Alpha Magis M: Circulation pump LED code: Generator operation (warning)
Short answer
On an Immergas heat pump, PUMP-E07 means: Circulation pump LED code: Generator operation (warning). The heat pump keeps running with some functions stopped. An engineer is needed to fix the cause.
Reviewed 23 September 2026 · 1 source
What it means
The manual says: Circulation pump LED code: Generator operation (warning).
Part involved: primary circulation pump (18-30 kW models).
Likely causes:
- A fluid is flowing through the hydraulic system of the pump.
Is it safe?
| Does the heat pump stop? | Partly |
|---|---|
| Severity | Warning |
| Engineer needed? | Yes |
The heat pump keeps running with some functions stopped.
What you can check
- Check the system pressure gauge reading.
- Note the code on the control panel and contact the installer / Alpha-Immergas authorised service.
What the engineer will check
- Check the system.
Who to ask for: heating engineer (hydronics).
What you might notice
Sources
- MAGIS M4-30 Block heat pumps - Use and Installation - Instructions and warnings (IE edition), *1.046978ENG* ↗ · 1.046978ENG · page 102 · Reviewed 23 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 23 September 2026