Siemens Synco RMZ792 Basic Documentation page 45

Building Technologies
HVAC Products
Error / error message
During commissioning, the wrong language
was selected. How do I find "my" language?
Start menu does not show time of day, week-
day and date
The views of time switch, calendar, etc., show
the date 01.01.2000
Fault information from room controllers (e.g.
RXB2...) is not available(display "?" on the
device list)
Controller does not accept the Room number or
the Device name of the individual room control-
ler (e.g. RXB2...)
Bus operator unit cannot reset the fault status
message from a controller
Bus operator unit RMZ792
12 Support in the event of errors and faults
Cause / remedy
1. Press simultaneously the ESC
button and the OK knob.
2. Select the password level, enter
112 as the password (same no.
as international emergency call)
and confirm by pressing the OK
knob. The language changes to
English.
3. Go to menu Settings > Device >
Language to change to the re-
quired language.
• No bus user in the system uses
the system time (no clock time
master)
• Since it was switched on, the
bus operator unit has received
no system time telegram
• Any of the line couplers does not
forward (filter) the telegram
The controller only communicates
in S-mode. Set communication of
the room controller with the ETS or
ACS to LTE mode and S-mode
The Room number may comprise no
more than 5 characters, the Device
name no more than 10 characters.
Text entries must be appropriately
shortened
Remote reset of faults is not per-
mitted. Make appropriate setting on
the controller (refer to section 10.4
"Resetting faults").
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CE1P3113en
03.04.2006