32 _ Troubleshooting
No.
Information
Type
Information
Code
Causes
Corrective Actions
15
UNBALANCE
UB
- As laundry causes this error, check the laundry.
- Find the reason for the unbalance and solve it as
directed in the user manual.
• This occurs by laundry.
16
Power
UC
(9C)
- Power condition fault.
- An error occurs when under or over voltage is
supplied.
- Plug receptacle is used
- Main PBA fault (sometimes)
• Check the consumer’s power
conditions. : Make sure to check
the operating voltage.
• Connect a tester to the internal
power terminals during the
Boil or Dry operations and
observe the washing machine’s
operation carefully.
: Check the voltages.
(An error occurs when under or
over voltage is supplied.)
: Check whether a plug
receptacle is used. When
the connecting wire is 1m, a
momentary low voltage may
drop up to 10 V.
• Main PBA fault (sometimes)
17
Mems PBA
8C
- Error detected in the Mems PBA or data error
detected
• Check the wire connections.
Replace if necessary.
1. Check the wire connections.
2. Replace the Mems PBA.
3. Main PBA wire connection
error or PBA’s silver nano
part malfunction. Replace if
necessary.
18
Add Door
DDC
- A switch contact error because of a deformation of
the add door switch.
- When the add door is pulled by force.
- This occurs in the Boil wash because the add
door is pushed due to a pressure difference from
internal temperature changes.
- S/W contact fault because of LID TC “L”
transformation.
• Add door open/close switch
fault.
• Main PCB fault.
DC3
- The Add Door lock switch terminal is connected
incorrectly.
- The Add Door lock switch terminal is broken.
- This occurs intermittently because of an electric
wire leakage.
- Main PCB fault.
• Add door lock switch fault.
• Main PCB fault.
WW22N6850NX-A2_SM.indb 32
2018/2/1 17:15:49
