Troubleshooting Table For Displayed Errors - A.O. Smith BFC-28 Installation, User And Service Manual

13.3 Troubleshooting table for displayed errors

Displayed errors
Code + description Cause
S01 (blocking error) Sensor is not (correctly)
connected
Open circuit from
Damaged cable and/or
temperature sensor T
2 defective sensor
at the bottom of the
tank.
S02 (blocking error) Sensor is not (correctly)
connected
Open circuit from
Damaged cable and/or
sensor 1 of
defective sensor
temperature sensor T
1
(1)
at the top of tank .
S03 (blocking error) Sensor is not (correctly)
connected
Open circuit in sensor 2
Damaged cable and/or
of temperature sensor
defective sensor
T at the top of the tank
1
(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
Instruction manual BFC
Measure
Connect the sensor lead to JP3
Replace the cable and/or sensor.
Connect the sensor lead to JP5
Damaged cable and/or defective sensor
Connect the sensor lead to JP5
Replace the cable and/or sensor.
Connect the dummy sensor (dummy sensor 1 and 2) leads to JP4. See the electrical diagram (17 "Appendices").
Replace the dummy sensor
Connect the dummy sensor (dummy sensor 1 and 2) leads to JP4. See the electrical diagram (17 "Appendices").
Replace the dummy sensor
Remark
See the electrical diagram (17 "Appendices").
To replace the necessary parts, you must contact your installation
engineer
See the electrical diagram (17 "Appendices").
To replace the necessary parts, you must contact your installation
engineer
See the electrical diagram (17 "Appendices").
To replace the necessary parts, you must contact your installation
engineer
To replace the necessary parts, you must contact your installation
engineer
To replace the necessary parts, you must contact your installation
engineer
is
76