Hello, my heater has said goodbye almost at the same time as its activation (details here). I don’t want to change any parts blind, but I don’t want to pay 300 EUR either – especially since the problem could occur again next winter. Then I at least know how it works. Now I found the article on the diagnostic information in the Elchwiki and in my lightness the question arises whether the BC except “DTCS in Vehicle” (which he does) and “CCM CHECKING” (shows him for a very long time – what does the BC so long??) also indicate something usable? Or does one come differently to the error codes, but without owning an entire workshop or straining the overly, because after all he deserves nothing at the not commissioned work. Finally still the question: Does the error code tell me then only “SH defective” (Ach ne…) or “SH: component XYZ defective”, so that one would buy at the corresponding spare part and then the repair done itself. Many greetings, rawaho