What the manual says
Manufacturer manualDHW legionella temperature not reached
Shared across the FELiS FL range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
DIY fix possible
Check that the hot water temperature is set high enough on the boiler control panel (typically 60°C or above).Ensure there is no current high demand for hot water elsewhere in the home during the disinfection cycle.Restart the boiler to allow it to attempt the anti-legionella heating cycle again.
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Related fault codes
All 151 fault codes on the FELiS FL 50 HM
Seeing a different code? Every code this model can display, in one place.
1020262830323840464750525457606568707172737882838485919899100102103105109110111117118119121122125126128129130132133146151152153160162164166169170171172173174176177178179183195196209214215216217218241242243260270317320321322323324325326327328329330331332333335336337339340341342343344345346347348349350351352353371372373374375376377378382384385386387388391392393419422423424425426427429430431432433550551809810811812813814