Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Sequence controller 03.10.2011
15.1.5 Troubleshooting
Configuration error
If no inputs are assigned to individual sequences, the sequences and all
subsequent sequences are inactive. See section 15.1 "Sequence controller
stru
cture" for possible combinations.
If no aggregates are configured for the control sequences, the "Current setpoint" is
displayed as "---".
Errors in operation
If the controller has no main controlled variable (e.g. in case of open-circuit), the
plant is switched off and a fault message triggered.
No. Text Effect
3011 [Main contr var 1]
sensor error
Urgent message, with plant stop; must not be
acknowledged
3012 [Main contr var 2]
sensor error
Urgent message, with plant stop; must not be
acknowledged
3013 [Main contr var 3]
sensor error
Urgent message, with plant stop; must not be
acknowledged
Fault status messages