Atlantic fault code 11
Fault code 11 on an Atlantic heat pump (including ODU Monoblock Atlantic 11 and ODU Monoblock Atlantic 6) means: Serial communication error after operation. 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 11 on an Atlantic heat pump indicates: Serial communication error after operation.
Applies to
Atlantic ODU Monoblock Atlantic 11, ODU Monoblock Atlantic 6, ODU Monoblock Atlantic 8, 750732, 750733.
Fault code 11 on other Atlantic series
The same code does not mean the same thing on every series. Check the rating plate to see which series you have:
- 11 on ODU Monoblock Atlantic 11, ODU Monoblock Atlantic 6, ODU Monoblock Atlantic 8, 750732, 750733: Serial communication error during operation.
Matching parts
Atlantic parts are available from Instalpunt; shipping to EU countries from €17.95 (€24.95 for more distant countries), usually 3–5 working days.
This message does not point directly to one faulty part. If the code keeps coming back, view the Atlantic parts:
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 Atlantic heat pump fault code 11 mean?
Serial communication error after operation.
How do I fix fault code 11 on an Atlantic 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 Atlantic fault code 11?
That depends on the exact cause. In the Atlantic parts overview at Instalpunt you will find the current price and stock for each part.
Can I fix fault code 11 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 Atlantic heat pump faults and codes at a glance →