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17 Error codes and fault finding
A detected failure is indicated on the display in blocking or error messages.
- Blocking
Error is temporary and will cancel itself or will lock the boiler after several attempts (error)
- Error
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
119
Link on X2 position 4 and 5 missing
129
Fan error (fan does not start up)
133
No flame after 5 ignition attempts
151
Fan error (speed control is not achieved or is out of range) or control unit defective
154
Flow increases to fast ∆T to large, return > flow
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
46
code with spanner symbol
code with bell symbol
Installation & Servicing instructions ATAG iR-Range
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