Troubleshooting _ 27
Error Type
Error
Mode
Causes
Corrective Actions
Description of Photo
Mems PBA
Error
8C
8C1
8C2
• This may occur due
to disconnection.
• This may occur
when the Mems
PBA is defective.
• Check wire connections
• Replace the Mems PBA.
• Replace Mems PBA because of the
Main PBA wire disconnection Check or
PBA silver nano part malfunction.
-
Temperature
Sensor Error
TC1
TC2
TC3
TC4
• Washing
temperature
sensor fault
• Dry temperature
sensor fault
• Faulty and
incorrect
connections of the
dry condensing
sensor
• Main PCB fault
• Freezing in the
winter season
• IPM temperature is
abnormally high.
• Check the connections for the washing
heater temperature sensor connector.
• If the washing heater temperature
sensor has a functional error, replace it.
- A TC1 check occurs.
• Check the connections for the dry
heater temperature sensor connector.
• If the dry heater temperature sensor
has a functional check, replace it.
- A TC2 check occurs.
Check the thermistor resistance
(Resistance at 20~30℃: 66.187~36.941
㏀
)
Unbalance
Error
Ub
• Motor hall sensor
fault
• Caused by the
laundry contents
• Check the type of laundry.
Check whether it may cause an
unbalanced situation.
• Educate the consumer in this case
is to press pause reposition the load
or remove a few items. Press start to
continue and complete the wash cycle.
-
Power Error
UC
(9C1/9C2)
• Power condition
fault.
• An check 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.
(A check 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)
-
