LG D5988B, Service Manual, Page: 21 / 42

20
Test 1
120VAC Electrical supply
Caution
Trouble Symptom
Measurement Condition
When measuring power, be sure to wear insulated gloves, to and avoid an
electric shock.
No power was applied to Controller. (LED, Display off)
With Dryer Power On; Connector linked to Controller.
Check the outlet, is the voltage
110V ~ 125V AC?
YES
NO
• Check the fuse
or circuit breaker.
Check if the voltage measured between
Connector “RD3-
” (Black) linked to the
Controller and “WH3- ”(White) is
110V ~ 125V?
YES
NO
• Check if Power
Cord is properly
connected.
• Reconnect the
controller.
Replace controIler.
Check if the Controller wire is
disconnected.
Check if Terminal Block and Power Cord
are connected (Check Plug ).
- Does Power Cord N( Natural) line match
to Terminal Center N(Natural) line?
YES
NO
L (Black) L (Led)
N(White)