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Siemens Operator / Room / Auxiliary devices CE1U2358en_04
Building Technologies 2014-09-26
In exceptional cases, the basic display shows one of the following symbols:
Error messages
If this symbol appears, an error in the plant
has occurred.
The display shows letter “c”, followed by the
error no.
Maintenance or special mode.
If this symbol appears, a maintenance
message is delivered or the plant has
changed to special operation.
The display shows letter “c”, followed by the
error no.
The chimney sweep function is activated by a short press (maximum 3 seconds) of
the chimney sweep button. This function produces the operating state required to
make emission measurements (flue gas).
Error / maintenance
Chimney sweep function
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