Error Display - Panasonic NA-168VX2 Service Manual

NA-168VX2/168VG2/148VA2/128VA2/147VB2

13 ERROR DISPLAY

(Incase of U11)
Indication Contents Detect contents
U Unable to drain Incase won't detect
U 2
The door is
open
U 3
Unbalanced
load
U 4 Unable to
supply water
U 8 Drain filter is
not set
h0 Water level
detector
h04 Short circuit of
power relay on
the PC.Board
h05 Data shall not
be memorized.
h07 Malfunction of
rotary detector.
h09 Open circuit of
the PC Board's
communication
line
h 7 Open circuit or
short circuit of
the thermistor
TH4
U
Is something wrong with the drain hose?
reset point in 12 min.
Is lint clogging it?
After starting of drain.
Check if condition of the water level detector.
Door is opening at start Is the door open?
point of the operation.
Chack if clothes are not tangled in the drum.
Detect unbalanced
load at spin process. Check if the washer is not installed on an unstable or
sloping floor.
It's takes over 20 min. It's takes over 20 min. to reach
Check if condition of the water valve.
to reach specified water
level. Is the filter of the feed valve clogged?
Check if drain filter is securely tightened during the
Detect drain filter is
securely tightened operation.
Check if
Input frequency from the
water level detector is Replace water level detector.
out of rated frequency. Replace
Detect short circuit of Replace PC Board.
the power relay on the
PC Board.
Replace PC Board (Power side).
Data won't saved to the
micro processor(In case Effected service mode (Check mode-B) only.
of service check mode-B).
Input signal from the Check if condition of the connector and lead wire of
rotary detector when the rotary detector.
operating the motor Replace the motor.
Replace the PC Board (Power side).
shall be occurred out of
standard.
Won't communicate Check if lead wire condition of PC Board between
power and operation side, and replace one of PC
between the main micro
processor and the Boards.
indication micro
processor.
Detect abnormal signal Check if condition of the connectors.
from the thermistor TH4 Replace the thermistor TH4
Check point
specified
condition of the connectors.
PC Board (Power side).
-26-
Method to clear
After solving proble-
ms, open the door
and close it, and
then restart
operation.
Close the door to
start operation.
After solving proble-
ms, open the door
and close it, and
then restart
operation.
water level.
After solving
problems, open
door and close it,
and then restart
operation.
Set the drain filter
properly
Turn off the power
Remove the power
plug
Turn off the power
Turn off the power
Remove the power
plug
Turn off the power
the