LG SXS GR-P257/L257 - Manual (Page 31)

1-5. Dispenser operation circuit
(1) GR-P227/L227/P257/L257
1) Check load driving status
2) Lever Switch sensing circuit
EXPLATION FOR MICOM CIRCUIT
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Measuring part
Lever S/W
IC1(Micom) (No. 16)
On
OFF 5V
0 V
(60 Hz)
5 V
Measuring part IC7-15 IC7-14 IC7-13 IC7-12 IC7-11
Status
ON Within 1 V
OFF 12 V
Type of Load
GEARED
MOTOR
SOLENOID
CUBE
PILOT
VALVE
WATER VALVE
WATER
SOLENOID
DISPENSER