Panasonic NA-F80GD Service Manual page 17

9.1.1. Error indication descriptions
If there is an operation error, or if there is a problem with washing machine, operation shall be stopped and warning buzzer will
sound (All of U and H21), and an error indication will be display-ed Alphabet and Number alternately.
Indication
Malfunction of drain
The lid is open
Unbalanced load
Malfunction of Water
supply
Water remain at
drying process
Unbalanced load at
drying
Water level detector
Short circuit of power
relay on the PC.Board
Data shall not be
memorized
Mulfunction of rotary
detector.
Open circuit of
PC.Board's
communication line
Malfunction of
thermistor
Water shall be leaked
from filling solenoid
(feed valve)
Mulfunction of Geared
motor for drain.
Contents Detect contents
Incase won't detect
reset point in 6min.
Lid is opening at spin
process.
Detect unbalanced
load at spin process.
It's takes over 30min.
to reach selected
water level.
Detect water more
than reset point at
drying process.
Detect unbalanced
load at drying process.
Input freqency of
water level detecter is
out of rated frequency.
Detect short circuit of
the power relay on the
PCB (Power).
Data won't saved (In
case of service check-
B).
No input signal from
rotary detector when
the motor ON.
Won't communicate
between PCB (Power
and Operation).
Oper and short circuit
of thermister (TH3)
Water level detector
detect decreasing of
water level.
Geared motor won't
operate even if 20sec.
past after start of
drain.
Check point
· Is something wrong with the drain hose?
· Is lint clogging it?
· Is it kinked and takes more than 5
minutes to reset point?
· Check if condition of the water level
detector.
· Is the lid open? Close it.
· Check if magnet on the lid.
· Check if condition of contact point of the
lid switch on the PC.Board.
· Has the clothes accumulate into one side?
· Has the unit been leveled?
· It's takes over 30min. to reach selected
water level.
· Check if condition of water faucet.
· Check if condition of the feed valve and
PC.Board.
· Drain water from the tub by spin process. Remove the power
· Has the clothes accumulate into one side?
· Has the unit been leveled?
· Check if condition of the connectors.
· Replace water level detector.
· Replace PC.Board (Power side).
· Check if condition of the Power (Push)
switch (it shall be keeped condition).
· Replace PC.Board (Power side).
· Check if no leaking between body and
lead wires.
· Replace PC.Board (Power side).
· Effected service mode (Check-B) only.
· Check if condition of the connector and
lead wire of the rotary detector.
· Replace the mechanism motor.
· Replace the PC.Board (power side).
· Check if lead wire condition of PC.Board
between power and operation side, and
replace one of PC.Board's.
· Check if condition of connector.
· Replace the fun case B (thermistor)
· Open-circuit 206kΩ
· Short-circuit 94kΩ
· Clean the diaphragm inside of the feed
valve or replace the feed valve.
· Check if output voltage of the PC.Board
(Power side).
· Operate Geared motor and drain water.
· Check if condition of the connector for
geared motor.
· Replace the geared motor.
· Replace the PC.Board (Power side).
17
Method to clear
Opening and closing
the lid.
Close the lid.
Open the lid and
redistribute the load.
Opening and closing
the lid to return to
initial stage of water
supply.
cord.
Open the lid and
redistribute the load.
Press Power (Push)
switch to OFF
position.
Remove the power
cord.
Press Power (Push)
switch to OFF
position.
Press power (push)
switch to OFF
position.
Remove the power
cord.
Press Power (Push)
switch to OFF
position.
Press Power (Push)
switch to OFF position
Press Power (Push)
switch to OFF position