Bosch CRC200, Installation Instructions For Contractors

Page: 27 / 32

6 720 821 651 (2017/05) CRC200
Troubleshooting | 27
A61
...
A68 1005 System configuration not
confirmed
(A61 = Heating zone 1;
...
A68 = Heating zone 8)
System configuration not completed Configure system completely and confirm
A61
...
A68 1010 No communication via BUS
connection EMS
(A61 = Heating zone 1;
...
A68 = Heating zone 8)
Check whether bus cable was
connected incorrectly Rectify wiring faults and switch controller off
and on again
Check whether bus cable is faulty. Repair or replace the bus cable
Remove expansion module from BUS
and switch controller off and on
again. Check whether the cause of
the fault is a module or module wiring Replace faulty BUS user
A61
...
A68 1030
1034
1035
1036 Internal data error of the
controller.
(A61 = Heating zone 1;
...
A68 = Heating zone 8)
Controller faulty Replace controller
A61
...
A68 1037 Outdoor temperature sensor
faulty
(A61 = Heating zone 1;
...
A68 = Heating zone 8)
Check configuration. The selected
setting requires an outdoor
temperature sensor. If an outdoor temperature sensor is not
desired. Select the room temperature-
dependent configuration in the controller.
Check the connecting cable between
the controller and outdoor
temperature sensor for continuity If there is no continuity, rectify the fault
Check the electrical connection of the
connecting cable in the outdoor
temperature sensor or on the plug in
the controller Clean corroded connecting terminals in the
outdoor sensor housing.
Check the outdoor temperature
sensor in accordance with table
(

Technical documentation for the
heat source)
If values do not match, replace the sensor
Check the voltage at the connecting
terminals of the outdoor temperature
sensor in the controller in accordance
with table If the sensor values matched, but the voltage
values do not match, replace the controller
A61
...
A68 1038 Invalid time/date
(A61 = Heating zone 1;
...
A68 = Heating zone 8)
Date/time not yet set Set date/time
Prolonged loss of power supply Avoid voltage failures
Fault code Sub- code
Cause or fault description Testing sequence/Cause Measure
Table 13 Fault table