A.O. Smith SGS - 100, Installation & Service Manual

Page: 80 / 110

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Instruction manual SGS 80
S07 (blocking error)
Open circuit from
temperature sensor S2
at bottom of tank
Sensor is not (correctly)
connected
Connect the sensor lead to J14 (port 2 and 4) of the solar controller See the SGS electrical diagram (17 "Appendices")
Damaged cable or
defective sensor
Replace the sensor To replace the necessary parts, you must contact your installation
engineer
S08 (blocking error)
Open circuit from
temperature sensor S1
in the collector
Sensor is not (correctly)
connected
Connect the sensor lead to J13 (port 2 and 4) of the solar controller See the SGS electrical diagram (17 "Appendices")
Damaged cable or
defective sensor
Replace the sensor To replace the necessary parts, you must contact your installation
engineer
S11 (blocking error)
Short circuit in the
temp. sensor T2 at the
bottom of the tank
Short circuit in sensor
circuit
Replace sensor T
2
To replace the necessary parts, you must contact your installation
engineer
S12 (blocking error)
Short circuit in sensor 1
of temperature sensor
T
1
at the top of the
tank
(1)
Short circuit in sensor
circuit
Replace sensor T
1
To replace the necessary parts, you must contact your installation
engineer
S13 (blocking error)
Short circuit in sensor 2
of temperature sensor
T1 at the top of the
tank
(1)
Short circuit in sensor
circuit
Replace sensor T
1
To replace the necessary parts, you must contact your installation
engineer
S14 (blocking error)
Short circuit from
dummy 1
Short circuit in sensor
circuit
Replace the dummy sensor
(2)
To replace the necessary parts, you must contact your installation
engineer
S15 (blocking error)
Short circuit from
dummy 2
Short circuit in sensor
circuit
Replace the dummy sensor
(2)
To replace the necessary parts, you must contact your installation
engineer
Code + Description Cause Solution Remark