ATAG fault code 931-11
Fault code 931-11 on an ATAG heat pump (including ENERGION IDM and ENERGION IDM 2Z) means: Subcode par 13.9.1 PFC SW Overcurrent. 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 931-11 on an ATAG heat pump indicates: Subcode par 13.9.1 PFC SW Overcurrent.
Applies to
ATAG ENERGION IDM, ENERGION IDM 2Z, ENERGION IDM F, ENERGION IDM F 2Z, ENERGION IDM L, ENERGION IDM L F, ENERGION IDU M, ENERGION IDU M F 2Z, 3301759, 3301760, 3301761, 3301762, 3301763, 3301764, 3302241, 3302242.
Click a model for the parts list and exploded view of that appliance.
Matching parts
ATAG parts are available from Instalpunt; shipping to EU countries from €12.95 (€16.95 for more distant countries), usually 3–5 working days.
Parts per Atag-series: A Series · i Series (iCon) · Q Series · E Series · P-series (iCon) · Blauwe Engel · XL-series.
This message does not point directly to one faulty part. These are the parts that most often fit this appliance:
- Atag PCB connection lead - € 30.06
- Atag outdoor sensor accessories € 88.86
- Atag PCB electric post-heating 65114946 € 120.23
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 ATAG heat pump fault code 931-11 mean?
Subcode par 13.9.1 PFC SW Overcurrent.
How do I fix fault code 931-11 on an ATAG 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 ATAG fault code 931-11?
That depends on the exact cause. In the ATAG parts overview at Instalpunt you will find the current price and stock for each part.
Can I fix fault code 931-11 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 ATAG heat pump faults and codes at a glance →