Worcester TD 200, Инструкция по установке и эксплуатации, Страница: 28 / 36

28
Troubleshooting
6 720 612 220 GB (05.09)
10 Troubleshooting
Faults in the devices using the bus are displayed.
A fault in the heating appliance is shown in the
display with corresponding help texts.
B
Contact a heating expert.
i
For the expert:
B
Rectify the fault in accordance
with the heating appliance
documentation.
Display Cause Remedy
RT 10 defect Temperature sensor in the RT 10
defective Emergency mode:
The heating automatically goes into
On / Off mode.
If
Room temperature continues to
be displayed during the standard
display:
Set
RT 10 equipped? to No (see
System info on page
26
).
Have the bus connection checked
and, if necessary, the interruption
rectified by a professional.
Have RT 10 replaced by a profes-
sional.
No Bus communica-
tion The RT 10 using the bus no longer
responds. Have the bus connection checked
and, if necessary, the interruption
rectified by a professional.
Heating appliance using the bus no
longer responds. Have the bus connection checked
and, if necessary, the interruption
rectified by a professional.
On / Off
instead of
Room temperature
RT 10 not detected during commis-
sioning. Set RT 10 equipped? to Yes (see Sys-
tem info on page
26
).
Only Service modes are
displayed, e.g.:
Service 1.A:
set maximum central
heating heatout
No error:
Service mode at heating appliance
active. Press the Service button on the
heating appliance.
The following appears
each time the button is
pressed:
press ok to go back
Key lock function is
active...
Key lock is active. Deactivate key lock (see Key Lock
on page
23
).
No display Heating appliance is switched off. Switch on heating appliance.
A “YS Plan” is connected. No function for TD 200 possible.