Troubleshooting Table For Displayed Errors - A.O. Smith GWV - 120 Installation 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 for
Damaged cable or
temperature sensor T ,
1 defective sensor
inlet to heat exchanger
S02 (blocking error) Sensor is not (correctly)
connected
Open circuit for sensor
Damaged cable or
1 of temperature
defective sensor
sensor T , outlet of
2
heat exchanger
S03 (blocking error) Sensor is not (correctly)
connected
Open circuit for sensor
Damaged cable or
2 of temperature
defective sensor
sensor T , outlet of
2
heat exchanger
S04 (blocking error) Dummy is not
(correctly) connected
Open circuit in
Defective dummy
dummy 1
S05 (blocking error) Dummy is not
(correctly) connected
Open circuit in
Defective dummy
dummy 2
S06 (blocking error) Sensor is not (correctly)
connected.
Open circuit for
Damaged cable or
temperature sensor T
3 defective sensor
at the bottom of the
storage tank.
Instruction manual GWV
Measures to take
Connect the sensor lead to JP3
Replace sensor T
1
Connect the sensor lead to JP5
(1)
Replace sensor T2
Connect the sensor lead to JP5
(1)
Replace sensor T2
Connect the dummy sensor (dummy sensor 1 and 2) leads to JP4. See the GWV electrical diagram
(1)
Replace the dummy sensor
Connect the dummy sensor (dummy sensor 1 and 2) leads to JP4. See the GWV electrical diagram
(1)
Replace the dummy sensor 2
Connect the sensor lead to JP5
Replace the sensor
Comment
See the GWV electrical diagram (17 "Appendices")
To replace the necessary parts, you must contact your installation
engineer
See the GWV electrical diagram (17 "Appendices")
To replace the necessary parts, you must contact your installation
engineer
See the GWV 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
See the GWV electrical diagram (17 "Appendices")
To replace the necessary parts, you must contact your installation
engineer
is
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