DOWNLOAD LG WD1873RDS Service Manual ↓ Size: 11.27 MB | Pages: 60 in PDF or view online for FREE

Model
WD1873RDS
Pages
60
Size
11.27 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
wd1873rds.pdf
Date
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LG WD1873RDS Service Manual ▷ View online

45
FOR AUTHORIZED SERVICE TECHNICIAN
Result
Wash Thermistor
Test Points
(1) to (2)
Result
(tolerance ±5%)
39.5 kΩ
26.1 kΩ
12.1 kΩ
8.5 kΩ
3.8 kΩ
2.8 kΩ
Remarks
At 86°F (30°C)
At 104°F (40°C)
At 140°F (60°C)
At 158°F (70°C)
At 203°F (95°C)
At 221°F (105°C)
Steam generator Thermistor 
Test Points
(1) to (2)
Result
(tolerance ±5%)
39.5 kΩ
26.1 kΩ
12.1 kΩ
8.5 kΩ
3.8 kΩ
2.8 kΩ
2.1 kΩ
1.4 kΩ
1.0 kΩ
0.7 kΩ
0.4 kΩ
Remarks
At 86°F (30°C)
At 104°F (40°C)
At 140°F (60°C)
At 158°F (70°C)
At 203°F (95°C)
At 221°F (105°C)
At 241°F (116°C)
At 266°F (130°C)
At 293°F (145°C)
At 320°F (160°C)
At 356°F (180°C)
46
FOR AUTHORIZED SERVICE TECHNICIAN
10. DISASSEMBLY INSTRUCTIONS
Be sure to unplug the machine before disassembling and repairing the parts.
CONTROL PANEL
1 Unscrew 2 screws on the back of the top plate.
2 Pull the top plate backward and upward as
shown.
3 Disconnect the Display PWB assembly
connector from the cabling.
4 Pull out the drawer and unscrew 2 screws.
5 Remove one screw.
6 Lift the side the control panel assembly and
pull it out.
7 Unscrew the 8 screws from the control panel
assembly.
8 Disassemble the display PWB assembly.
TOP PLATE ASSEMBLY
CONTROL PANEL ASSEMBLY
DRAWER
CONTROL PANEL ASSEMBLY
DISPLAY PWB ASSEMBLY
47
FOR AUTHORIZED SERVICE TECHNICIAN
MAIN PWB ASSEMBLY
Disconnect the POWER connector and 
the pressure switch assembly.
Remove the protective cover.
Unscrew 1 screw on the back.
Remove the main PWB.
Disconnect the connectors.
PROTECT COVER
1
2
3
4
5
48
FOR AUTHORIZED SERVICE TECHNICIAN
DISPENSER ASSEMBLY
Disassemble the top plate assembly.
Pull out the drawer.
Push out the dispenser assembly after
unscrewing 2 screws.
NOISE FILTER
Disassemble two (or three) connectors from
the noise filter.
Unscrew a screw from the top bracket.
Unscrew the clamp nut at the lower part of the
dispenser.
Unscrew 2 screws from the back of the cabinet.
Disassemble the 4 connectors from the valves.
Wire Color
Blue Housing (YL-BK)
Red Housing (VT-BK)
White Housing (WH-BK)
Blue Housing (GY-BK)
Red Housing (BL-BK)
1
2
3
4
5
DRAWER
1
3
2
4
5
6
1
2
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