Displayed Errors - A.O. Smith cyclone BFC - 80 Installation And Service Manual

13.3 Displayed errors

Code + Description Cause
S01 (blocking error) Sensor is not (correctly)
connected
Open circuit from
Damaged cable or
temperature sensor T2
defective sensor
at bottom of the tank
S02 (blocking error) Sensor is not (correctly)
connected
Open circuit in sensor 1
Damaged cable or
of temperature sensor
defective sensor
T at the top of the
1
(1)
tank .
S03 (blocking error) Sensor is not (correctly)
connected
Open circuit in sensor 2
Damaged cable or
of temperature sensor
defective sensor
T1 at the top of the tank
(1).
S04 (blocking error) Dummy is not
(correctly) connected
Open circuit from
Defective dummy
dummy 1
S05 (blocking error) Dummy is not
(correctly) connected
Open circuit from
Defective dummy
dummy 2
S11 (blocking error) Short circuit in sensor
circuit
Short circuit in the
temp. sensor T2 at the
bottom of the tank
Instruction manual BFC
Solution
Connect the sensor lead to JP3
Replace the sensor
Connect the sensor lead to JP5
Replace sensor T
1
Connect the sensor lead to JP5
Replace sensor T
1
Connect the dummy sensor (dummy sensor 1 and 2) leads to JP4. See the BFC electrical diagram
Replace the dummy sensor
Connect the dummy sensor (dummy sensor 1 and 2) leads to JP4. See the BFC electrical diagram
Replace the dummy sensor
Replace sensor T
2
Remark
See the BFC electrical diagram (17 "Appendices")
To replace the necessary parts, you must contact your installation
engineer
See the BFC electrical diagram (17 "Appendices")
To replace the necessary parts, you must contact your installation
engineer
See the BFC electrical diagram (17 "Appendices")
To replace the necessary parts, you must contact your installation
engineer
(17 "Appendices")
To replace the necessary parts, you must contact your installation
engineer
(17 "Appendices")
To replace the necessary parts, you must contact your installation
engineer
To replace the necessary parts, you must contact your installation
engineer
is
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