Heating Without Water - LG WD(M)-8070F(H)(B) Service Manual

WD(M)-8070F(H)B, WD(M)-1070(5)F(H)B, WD(M)-1170(5)F(H)B, WD(M)-1270(5)F(H)B, WD(M)-1370(5)F(H)B
WD(M)-8074F(H)B, WD(M)-1074(6)F(H)B, WD(M)-1174(6)F(H)B, WD(M)-1274(6)F(H)B, WD(M)-1374(6)F(H)B
WD-8078FHB, WD-1078FHB,WM-1171(6)FHB, WM-1371(6)FHB, WD-1271FB
PWB ASSEMBLY (MAIN)
AC 220-240V
WD-8070F(H), WD-1070(5)F(H)
PWB ASSEMBLY (POWER)
220-240V

HEATING WITHOUT WATER

When pressing [Option] and [Spin] at the same time
after draining, is the water level frequency 252 or
more?
When pressing [Option], [Spin] buttons at the
same time while wash, is the water level
frequency between 220 - 240?
Checking voltage between two pins as press
the power Button is the voltage 220 - 240V~?
When pressing [Option] and [Spin] at the same time
after draining, is the water level frequency 252 or
more?
When pressing [Option], [Spin] buttons at the
same time while wash, is the water level
frequency between 220 - 240?
Replace the PWB assembly
(POWER or MAIN).
YES
YES
24
Replace the sensor
NO
(pressure).
Replace the PWB
NO
assembly (Main).
Replace the sensor
NO
(pressure).