Atag iR 15 - Error Codes And Fault Finding

Installation & Servicing instructions ATAG iR-Range
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17 Error codes and fault nding
A detected failure is indicated on the display in blocking or error messages.
- Blocking code with spanner symbol
Error is temporary and will cancel itself or will lock the boiler after several attempts (error)
- Error code with bell symbol
Error means a lock on the boiler and can only be remedied by a reset and/or intervention by a service
technician.
10 Outside sensor error (e.g. open, short circuit, out of range)
20 Flow sensor error (e.g. open, short circuit, out of range)
40 Return sensor error (e.g. open, short circuit, out of range)
50 T3 (DHW) sensor error (e.g. open, short circuit, out of range)
61 Bus communication error (contact open)
105 Venting program active when power turned on or interrupted (runs approx. 7 mins.)
110 Safety temperature exceeded
111 Maximum temperature exceeded
129 Fan error (fan does not start up)
133 Noameafter5ignitionattempts
151 Fan error (speed control is not achieved or is out of range) or control unit defective
154 Flowincreasestoofast∆Ttoolarge,return>ow
164 Flow switch not closed at heat demand (system pump not running)
180 No error: shortly visible when leaving chimney sweep function
181 No error: shortly visible when leaving commissioning mode
Example of display of error message