Samsung WW90M6 - Page 30

28 _ Disassembly and Reassembly
Part Figure Description
Assy Kit
6. SeparatetheCover PCB。Remove the wire
harness from the hook.
7. SeparateAssyKit and the connector.
Replacement of the
Main PCB
4 Check Points for Troubleshooting
1. Checkwhetherthereisanyerrorinapplyingthepower.
2. CheckthevoltagebetweentheDC5VandGNDterminals.
3. Ifaninformationcodeoccurswhenthereisnocharacteristiccodeintheelectric
harnesses,checktheseinformationcode:
3C:Theresistanceofmotor(U-V/V-W/W-U)is4.5to7.0Ω
HC/HC1:Theresistanceofheater(for2000Wunit)is25.19to27.84Ω
DC1:Theresistanceofdoorswitchis500to1,500Ω
DC3/DDC:Theresistanceofdoorswitchis31.57toΩ61.57
5C:Theresistanceofdrainmotoris182to222Ω
4C:Theresistanceofwatervalveis3.6to4.4kΩ
WW22N6850NX-A2_SM.indb 28 2018/2/1 17:15:49