Read LG GK712E Service Manual online
31
When checking the voltage between
connector the PWB assembly (Main) during
whites washing ,Is the voltage
220 - 240V ?
connector the PWB assembly (Main) during
whites washing ,Is the voltage
220 - 240V ?
Replace the PWB
assembly (Main).
assembly (Main).
YES
NO
After power off and the heater terminal is
disconnected, is the resistance 10 to 30 ?
disconnected, is the resistance 10 to 30 ?
Replace the heater
assembly.
assembly.
NO
After power off,is the resistance of wire
(RED-YELLOW) connectors between
10 to 30 ?
(RED-YELLOW) connectors between
10 to 30 ?
Normal.
NO
YES
RED
YELLOW
1
2
4
3
~
220 - 240V~
PWB ASSWMBLY (MAIN)
■ WD-6550FB / WD-8050(4)F(H)B / WD-1050(5)F(H)B / WD-1253(5)F(H)(B) / WD-1054(6)F(H)B / WD-1254(6)F(H)B
AC 220-240V
NO
NO
YES
NO
YES
Yellow
Red
Replace the PWB
assembly (Power).
assembly (Power).
Normal.
Replace the heater
assembly.
assembly.
When checking the voltage between two
receptacles of the PWB assembly (Power) during
washing.
Is the voltage AC 220-240V?
receptacles of the PWB assembly (Power) during
washing.
Is the voltage AC 220-240V?
After power off, is the resistance between yellow
wire and red wire of
connector 10 to 30
wire and red wire of
connector 10 to 30
Ω?
After power off, is the resistance of heater
10 to 30
Ω?
■ WD-6550F / WD-8050F(H) / WD-1050(5)F(H)
WA S H H E AT E R T R O U B L E
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