LG DLE3170W Service Manual page 33

Caution
Trouble Symptom
Measurement Condition
1. Power Connection
< Table1 > : Connection of the tap relay with Heater (Electric)
Tab Relay 1
High
on
Mid High
Medium
Low
on
Extra Low
< Table 2 > : Connection of the Tab Relay with Burner (Gas)
Tab Relay 1
High
Mid High O
Medium
Low
O
Extra Low
2. Status Mode Of The Connection
< Table1 > : Connection of tap relay with the PCB ASSEMBLY Electric
Connector Housing
When measuring power, be sure to wear insulated gloves to avoid an electric shock.
Check the Tab Relays Connection properly.
With Dryer Power On; Connector linked to Controller.
Tab Relay 2 Heater 1
Heater 2
on
on
on
on
off
off
Burner
Temperature Control below 70
O
Turn on Burner
Temperature Control below 47
O
Turn on Burner
Color
Harness
Yellow wire
Black
Black wire
Connector Housing
Blue wire
White
Black wire
Connector Housing
Remark
Temperature Control below 68
Turn on Heater1 and Heater2.
Temperature Control below 52
Only Turn on Heater1.
Remark
4
4
Connection
PCB
Tap relay 1
Tap relay 2
33
4
4
PCB ASSEMBLY LAYOUT
Remark
Check the Matching color Between
Harness wire and tap relay.
(Black Housing – Black tap relay)
Check the Matching color Between
Harness wire and tap relay.
(White Housing – White tap relay)