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12.3 Maintenance frequency
12.4 Warranty
13
Error message
30
ATAG advises an inspection of the boiler every year with a full service to be carried out at
least every 4 years, depending on the operational hours listed in the warranty conditions.
For the warranty refer to the Warranty Card that is supplied with the boiler.
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
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.
C 20
Flow sensor error (e.g. open, short circuit, outside of range)
C 40
Return sensor error (e.g. open, short circuit, outside of range)
C 61
No bus communication (reset only possible by power interruption)
C 78
Water pressure not connected or pump failure
C1 05
Venting program active
C1 10
Safety temperature exceeded
C1 11
Maximum temperature exceeded
C1 18
Water pressure below 0,05 bar caused by empty system
C1 29
Fan error (fan does not start up)
C1 33
No flame after 5 ignition attempts
C1 51
Fan error (speed control is not achieved or is outside of range)
C1 54
Flow increases too fast, 3-T to large, return > supply
Example of display of error message
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