Siemens Synco 700 - Page 144

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Building Technologies Modular Heating Controller RMH760B CE1P3133en
HVAC Products 9 Heating circuit control 05.02.2007
Number Text Effect
51 [HC 1] error return sensor
Nonurgent message; must be acknowl-
edged
56 [HC 2] error return sensor
Nonurgent message; must be acknowl-
edged
53 [Heat circuit 3] return sens
error
Nonurgent message; must be acknowl-
edged
In the event of a faulty return temperature sensor, the heating circuit behaves as if no
return temperature sensor was present. Return temperature limitation is deactivated.
Number Text Effect
60 Room temp sensor error
HC 1
Nonurgent message; must not be ac-
knowledged
65 Room temp sensor error
HC 2
Nonurgent message; must not be ac-
knowledged
68 Room temp sensor error
HC 3
Nonurgent message; must not be ac-
knowledged
61 >2 room sensors in heat
circuit 1
Urgent message; must be acknowledged.
More than 2 room temperature sensors in
the same geographical zone
66 >2 room sensors in heat
circuit 2
Urgent message; must be acknowledged.
More than 2 room temperature sensors in
the same geographical zone
69 >2 room sensors in heat
circuit 3
Urgent message; must be acknowledged.
More than 2 room temperature sensors in
the same geographical zone
Number Text Effect
5401
Room master failure in HC 1
Nonurgent message; must not be ac-
knowledged. No master
5411
Room master failure in HC 2
Nonurgent message; must not be ac-
knowledged. No master
5421
Room master failure in HC 3
Nonurgent message; must not be ac-
knowledged. No master
5402
>1 identical geogr zone [1] Nonurgent message; must be acknowl-
edged. More than one master in zone of
heating circuit 1
5412
>1 identical geogr zone [2] Nonurgent message; must be acknowl-
edged. More than one master in zone of
heating circuit 2
5422
>1 same geogr zone [3] Nonurgent message; must be acknowl-
edged. More than one master in zone of
heating circuit 3
Number Text Effect
2521
[Heat circuit 1 pump]
overload
Nonurgent message.
Acknowledgement can be selected; factory
setting: “Acknowledge and reset”.
No heating circuit stop
Faulty return
temperature sensor
Faulty room temperature
sensor
Faulty room controller
combination
Pump fault in heating
circuit 1