Diagnostic Choices - Siemens Synco 700 Basic Documentation

Error in connection with
heat requests
Faulty main pump
Faulty system pump
Building Technologies
HVAC Products
Number Text
59
Main contr return sens
error
Main controller and primary controller behave as if no return temperature sensor was
present. Limitation of the return temperature is inactive.
Number Text
2202
Main contr h'request mod
error
2203
P'contr h'req error
An error at the input is interpreted as "No heat demand".
Number Text
2491 [Main pump] overload
2492 [Main pump B] overload
2493 [Main pump] no flow
2494 [Main pump B] no flow
2495 [Main pump B] fault
Number Text
2501 [System pump] overload
2502 [System pump B] over-
load
2503 [System pump] no flow
2504 [System pump] no flow B
2505 [System pump] fault
8.11

Diagnostic choices

Main menu > Main controller > Inputs/setpoints
Main menu > Primary controller > Inputs/setpoints
Operating line
Actual value flow temp
Flow temperature setpoint
Actual value return temp
Return temperature max
Heat request modulating
Heating curve request 2-pos
DHW request 2-pos
Frost prot request 2-pos
Modular Heating Controller RMH760B
8 Main controller and primary controller
Effect
Nonurgent message; must be acknowl-
edged
Effect
Nonurgent message; must not be acknowl-
edged
Nonurgent message; must not be acknowl-
edged
Effect
Nonurgent message.
Acknowledgement can be parameterized;
factory setting: "Acknowledge and reset"
Nonurgent message.
Acknowledgement can be parameterized;
factory setting: "Acknowledge and reset"
Nonurgent message; must be acknowl-
edged and reset
Nonurgent message; must be acknowl-
edged and reset
Urgent message; must not be acknowl-
edged. Plant stop
Effect
Nonurgent message.
Acknowledgement can be parameterized;
factory setting: „Acknowledge and reset"
Nonurgent message.
Acknowledgement can be parameterized;
factory setting: „Acknowledge and reset"
Nonurgent message; must be acknowl-
edged and reset
Nonurgent message; must be acknowl-
edged and reset
Urgent message; must not be acknowl-
edged. Plant stop
Range
...°C
...°C
...°C
...°C
---- ( = not connected) / ...°C
0 / 1 (1 = closed)
0 / 1 (1 = closed)
0 / 1 (1 = closed)
109/238
CE1P3133en
05.02.2007