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Siemens
User Manual
CE1U2353en
Building Technologies
Faults
2014-07-30
Only 1 outside temperature sensor is required in the LPB plant. This sensor is
connected to a freely selectable controller and delivers via LPB the signal to the
controllers without sensor.
The first numeral to appear on the display is the segment no. followed by the device no.
6.16 Faults
When a fault
is pending, an error message can be displayed on the info level by
pressing the Info button. The display describes the cause of the fault.
Line no.
Operating line
6710
Reset alarm relay
When a fault is pending, an alarm can be triggered via relay QX... The QX... relay must
be appropriately configured.
This setting can be used to reset the alarm relay.
Line no.
Operating line
6740
Flow temp 1 alarm
6741
Flow temp 2 alarm
6745
DHW charging alarm
6746
Flow temp alarm, cooling 1
The difference of setpoint and actual temperature is monitored. A control offset beyond
the set period of time triggers an error message.
Line no.
Operating line
6800…6819
History …
The basic unit stores the last 10 faults in non-volatile memory. Any additional entry
deletes the oldest in the memory. For each error entry, error code and time of
occurrence is saved.
6.17 Maintenance / special mode
Maintenance functions
Line no.
Operating line
7044
Maintenance interval
7045
Time since maintenance
7119
Economy function
Locked released
7120
Economy mode
Off ¦ On
Locked
Economy mode is not possible.
Released
Economy mode can be activated.
Switches economy mode on or off
Outside temperature
source
Acknowledgements
Temperature alarms
Error history
Economy function
Economy mode
RVS46.543
only
RVS46.543 only
RVS46.543 only