T1203TEFT1 - LG Washing Machine Service Manual (repair manual). Page 54

Initial operation: Press "RESERVATION" + "START/PAUSE" botton together after power on, and  press
"RESERVATION" button only again
(displaying the number of pressing button and each data every 0.5 second)

Sensor

Terminal

of Controller

• Loosening the front panel of the washing machine

and connect the sensor connecting terminal with

the terminal of the jig.

After supplying water to the washing bath, agitate

for one minute before using the jig.

Record the sensed value of the sensor attached

to the current product at Test mode.

Connect the jig, put the jig sensor into the

washing bath, and record the sensed value of the

sensor.

Determine the sensor performance by comparing

the value measured by the jig and the value

measured by the sensor attached to the product.

1 times : TR Controller Group ( 1 ~ 26 )

2 times : Check the temperature sensor codition

0  : Normal

99 : Temperature senosr’s error, 

(Stop sensing for Temperature and Hardness)

3 times : Temperature of supplied water

4 times : Increment/decrement of washing time according to temperature

5 times : Washing stream at Motor off according to temperature

6 times : The number of comparing the conductivity of washing with rinsing conductvity 

0 ~ 9 : Normal

99 : Abnormal (Stop the sensing of Hardness)

7 times : Sensored result (0 ~ FF:  hexadecimal is displayed)

.

.

.

18 times : Initial stage