Inventum fault code F-51
Fault code F-51 on an Inventum heat pump (including Ecolution) means: Air-in. Reset the appliance once. If the code comes back, a part is usually faulty. You can check the water pressure and settings yourself; leave work on gas-carrying parts to a certified gas engineer.
After a safety alert (gas, flue gas, combustion), reset no more than once and call in a certified gas engineer. If you smell gas, call your national gas emergency number or 112 immediately.
Cause
Fault code F-51 on an Inventum heat pump indicates: Air-in.
Applies to
Inventum Ecolution, Combi 50, Solo.
Matching parts
Inventum parts are available from Instalpunt; shipping to EU countries from €12.95 (€16.95 for more distant countries), usually 3–5 working days.
This message does not point directly to one faulty part. These are the parts that most often fit this appliance:
- Inventum ring gasket 138x105x1.5 € 20.61
- Inventum fan plate Optima DC for service AC version € 1,823.57
- Inventum thermostat heat pump water heater € 51.78
Fix it yourself or call an engineer?
Always consult the manual for your appliance and work safely. If in doubt or if the fault comes back, call in a qualified professional. A question about a part? Write to us at info@instalpunt.nl.
Frequently asked questions
What does Inventum heat pump fault code F-51 mean?
Air-in.
How do I fix fault code F-51 on an Inventum heat pump?
First check the cause described above. Then restart the appliance using the reset button. If the message comes back, a part usually needs replacing or the fault needs to be repaired by a qualified professional.
Which parts do I need for Inventum fault code F-51?
That depends on the exact cause. In the Inventum parts overview at Instalpunt you will find the current price and stock for each part.
Can I fix fault code F-51 myself?
You can reset the appliance and check things like the water pressure or settings yourself. Work on gas-carrying parts must be left to a certified gas engineer.
All Inventum heat pump faults and codes at a glance →