LG LDG4313BD Service Manual page 55

Current inspecting Relay's information is displayed
(6) Whenever you input the START button, the relay operation sequence should be as seen below.
Step
1
2
3
4
5
6
7
8
9
10
11
12
SVC TEST MODE
※ Relay Operation Sequence
RY 54 RY 53 RY 52
Upper Upper Conv.
Bake Broil Heater
•SW Version
•Active load Icon
RY 62 RY 61
Conv. Conv.
Fan Lo Fan High
7-2
RY 60
DLB