Blocking - Scb-10 - BDR Thermea Group SCB-10 Notice D'installation Et D'utilisation

Code Display text
A10.54 Temp. Zone DHW miss.
A10.56 T_DHW Zone AUX miss
6.2

Blocking - SCB-10

Tab.54 Blocking codes
Code Display text
H00.69 TbufferTankOpen
H00.70 TbufferTankClosed
H00.71 TbufferTankTopOpen
H00.72 TbufferTankTopClosed
7747028 - v.01 - 25112019
Description
Temperature sensor Zone DHW is missing
Domestic Hot Water temperature sensor Zone
AUX is missing
Description
Buffer Tank temperature sensor is
either removed or measures a
temperature below range
Buffer Tank temperature sensor is
either shorted or measures a
temperature above range
Buffer Tank top temperature sensor
is either removed or measures a
temperature below range
Buffer Tank top temperature sensor
is either shorted or measures a
temperature above range
Solution
Temperature sensor not de­
tected in zone DHW:
Temperature sensor is not
connected: connect the
sensor
Temperature sensor is not
connected correctly: con­
nect the sensor correctly
Faulty sensor: replace the
sensor
Domestic hot water tempera­
ture sensor not detected in
zone AUX:
Domestic hot water temper­
ature sensor is not connec­
ted: connect the sensor
Domestic hot water temper­
ature sensor is not connec­
ted correctly: connect the
sensor correctly
Faulty sensor: replace the
sensor
Solution
Buffer tank temperature sensor open:
Bad connection: check the wiring and connec­
tors
Incorrectly fitted sensor: check that the sensor
has been correctly fitted
Sensor is not present.
Faulty sensor: replace the sensor
Buffer tank temperature sensor short-circuited:
Bad connection: check the wiring and connec­
tors
Incorrectly fitted sensor: check that the sensor
has been correctly fitted
Faulty sensor: replace the sensor
Buffer tank top temperature sensor open:
Bad connection: check the wiring and connec­
tors
Incorrectly fitted sensor: check that the sensor
has been correctly fitted
Sensor is not present.
Faulty sensor: replace the sensor
Buffer tank top temperature sensor short-circuit­
ed:
Bad connection: check the wiring and connec­
tors
Incorrectly fitted sensor: check that the sensor
has been correctly fitted
Faulty sensor: replace the sensor
en
6 Troubleshooting
89