BDR Thermea Group SCB-17B Notice D'installation Et D'utilisation page 26

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5 Troubleshooting
5 Troubleshooting
5.1 Warning
Tab.26 Warning codes
Code Display text
A.02.18 OBD Error
A.02.76 Memory full
A.10.46 RoomTempZoneB miss Measure of Room Temperature
A.10.47 RoomTempZoneC miss Measure of Room Temperature
5.2 Blocking
Tab.27 Blocking codes
Code Display text
H.00.28 TSolar Open
H.00.29 TSolar Closed
H.00.30 TSolar Missing
26
Description
Object Dictionary Error
The reserved space in memory for
custom parameters value is full. No
more user changed possible
Zone B is missing
Zone C is missing
Description
Solar temperature sensor is either
removed or measures a temperature
below range
Solar temperature sensor is either
shorted or measures a temperature
above range
Solar temperature sensor was ex­
pected but not detected
Solution
Configuration error:
Reset CN1 and CN2
See
The data plate for the CN1 and CN2
values.
Configuration error:
Reset CN1 and CN2
Faulty CSU: Replace CSU
Replace the CU-GH
Room temperature sensor not detected in zone
B:
Room temperature sensor is not connected:
connect the sensor
Room temperature sensor is not connected
correctly: connect the sensor correctly
Faulty sensor: replace the sensor
Room temperature sensor not detected in zone
C:
Room temperature sensor is not connected:
connect the sensor
Room temperature sensor is not connected
correctly: connect the sensor correctly
Faulty sensor: replace the sensor
Solution
Solar Collector temperature sensor open:
Sensor is not present
Incorrectly fitted sensor: check that the sensor
has been correctly fitted
Bad connection: check the wiring and connec­
tors
Faulty sensor: replace the sensor
Solar Collector temperature sensor short-circuit­
ed:
Incorrectly fitted sensor: check that the sensor
has been correctly fitted
Bad connection: check the wiring and connec­
tors
Faulty sensor: replace the sensor
Solar Collector temperature sensor open:
Sensor is not present
Incorrectly fitted sensor: check that the sensor
has been correctly fitted
Bad connection: check the wiring and connec­
tors
Faulty sensor: replace the sensor
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