LG WT5101HW Service Bulletin page 2

3. Solution
- For customers washer service complaints, the SVC tech. should upgrade display PCB
Software. You must confirm the serial number of product.
If the product is made before 2011. Nov., you will have to update the display PCB Software.
- Only apply S/W update to the product with below serial No. (104  1 is year, 2011, 04 is month)
Model
WT5101HW
WT5101HV
WT5001CW
1. We have to check Display PGM version because the program of WT5101, 5001 has changed.
2. After Updating the following information (S/W version) appears on the display in the test mode.
PCB Model
WT5101**
Display
WT5001**
※ After updating , you should verify "Check sum" on display of Jig
※ After updating , you should verify S/W version in the Test mode
3. If you do not have PCB JIG,
you may replace old version of Display PCB with new version of Display PCB.
※ Refer to Appendix page about "Flow chart for S/W update"
※ Although SVC Tech. replace Display PCB, he should input special code "RK".
- To verify the S/W version, enter Test mode.
To Enter Test mode :
Then push START button,
Pushing START button the first time, display window shows "T1" and "Main version" display .
Pushing the START button again will display, "T2" and "Display version".
PCB P/No.
EBR62267104
EBR62267105
Power + Wash /Rinse+ Soil Level
Test mode
Serial No.
003xxxxxxxxx ~ 111xxxxxxxxx
Old S/W
S/W file in Jig
Version
68,69,71,
0000d93f.t45
78,96,101
71,95,102
00005144.t45
(Push those buttons at the same time)
Verify S/W Version
2 / 9
Service Bulletin
WASHING MACHINE
New S/W
Check Sum
Version
131
d93f
130
5144
Push Start button