A.O. Smith SGE Code + Description Cause Solution Remark, S11 blocking error, S12 blocking error

			is
Code + Description	Cause	Solution	Remark
S08 (blocking error)	Sensor is not (correctly)	Connect the sensor lead to J13 (port 2 and 4) of the solar controller	See the SGE electrical diagram (17 "Appendices")
Open circuit from	connected
temperature sensor S1
	Damaged cable or	Replace the sensor	To replace the necessary parts, you must contact your installation
in the collector	defective sensor		engineer
S11 (blocking error)	Short circuit in sensor	Replace sensor T2	To replace the necessary parts, you must contact your installation
Short circuit in the	circuit		engineer
temp. sensor T2 at the
bottom of the tank
S12 (blocking error)	Short circuit in sensor	Replace sensor T1	To replace the necessary parts, you must contact your installation
Short circuit in sensor 1	circuit		engineer
of temperature sensor
T1 at the top of the
tank(1)
S13 (blocking error)	Short circuit in sensor	Replace sensor T1	To replace the necessary parts, you must contact your installation
Short circuit in sensor 2	circuit		engineer
of temperature sensor
T1 at the top of the
tank(1)
S14 (blocking error)	Short circuit in sensor	Replace the dummy sensor(2)	To replace the necessary parts, you must contact your installation
Short circuit from	circuit		engineer
dummy 1
S15 (blocking error)	Short circuit in sensor	Replace the dummy sensor(2)	To replace the necessary parts, you must contact your installation
Short circuit from	circuit		engineer
dummy 2
S17 (blocking error)	Sensor is not (correctly)	Replace sensor S2	To replace the necessary parts, you must contact your installation
Short circuit in temp.	connected		engineer
sensor S1 at bottom of
tank

Instruction manual SGE 82