Wash Heater Trouble - LG WD1070FH Instruction 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
PWB ASSY(Main)
220 - 240V~
RED
YELLOW
WD-8070F(H), WD-1070(5)F(H)
220-240V

WASH HEATER TROUBLE

When checking the voltage between
connector the PWB assy(Main)during
whites washing ,Is the voltage
~
220 - 240V ?
YES
After power off,is the resistance of wire
(RED-YELLOW) connectors between
10 to 30 ?
After power off and the heater terminal is
disconnected, is the resistance 10 to 30 ?
When checking the voltage between two
receptacles of the PWB assy(Power) during
washing.
Is the voltage 220-240V?
YES
After power off, is the resistance between yellow
wire and red wire of
connector 10 to 30 ?
After power off, is the resistance of heater
10 to 30 ?
3 4
1 2
NO
NO
26
Replace the PWB assy
NO
(Main)
YES
Normal
NO
Replace the heater assy
Replace the PWB assy
NO
(Power)
YES
Normal
Replace the heater assy
NO