Panasonic NA-148VB3WRU / NA-128VB3 / NA-147VB3 / NA-127VB3WRU Service Manual ▷ View online
13
14
8 Service Mode
8.1.
Service Autotest
1. Set program knob at Cotton Eco after selection spin speed to max.
2. While pressing the T
2. While pressing the T
°C button, change position of the third to second, and remove the T °C button within 1 second.
During test [SAU] is visualized on display :
LD1 Start / Pause Button LED
→ ON
LD9 Door Lock LED
→ ON (in a 30 sec)
Display
→ [SAU]
The test steps are as below ;
Step 1 :
• Selector Cotton will be [HEATER ON]
• Before heating it should take water till first level frequency
then start heating.
• Heater will be on max. 8 minutes after this 8 minutes if the
temp. doesn’t change more than 2
°C then it will give NTC
failure. (E05).
• Or if the NTC connection is broken then it should give again
E05 NTC failure.
• At the end of heating, [SAU] visualization should make slow
blink to indicate that the step is over.
• Note : If user changes the selector position, machine will do
what is defined for the new selected position.
Step 2 :
• Selector Cotton with Prewash will be [PUMP ON]
• Temperature will be measured, if it is higher than 50
°C, it
should take 60 sec. cooling water, and then make [Drain + 5
sec.]
sec.]
• At the end of pump activation, [SAU] visualization should
make slow blink to indicate that the step is over.
Step 3 :
• Selector Cotton Eco will be 15 minutes test program.
• So, time for selector position 3 is 15 minutes.
• At the end of 15 minutes test program [END] is visualized
and door is unlocked. During test pressing other buttons
makes no change.
makes no change.
• LD1 Start / Pause button LED
→ ON
LD9 Door Lock LED
→ When the door is unlocked it will be
off
Display
Display
→ [END]
15 Minutes Test Program
• Total water consumption : 30 L (14L Main Wash, 16L Rinse)
• Total duration : 15 min. (8 min Main Wash, 7 min Rinse)
• Total 53 r/min motor movement : 6.5 min. (4.5 min Main
Wash, 2 min Rinse)
• Heating : 1,5 min during Main Wash
• Spinning :
400 r/min (After Main Wash)
800 r/min (After Rinse)
800 r/min (After Rinse)
• Number of Rinses : 1
Selector Cotton
Selector Cotton Prewash
Selector Cotton Eco
Result
Result
Result
HEATER ON
PUMP ON
TEST PROGRAM ON
Comments :
When entering in service test, door
will be locked.
Test is over Door will be unlocked,
machine will go to ENS state.
15
8.2.
Failure Codes
Error Indication
Error Number
Indication For User
Indication For Service
Yes/No
Yes/No
Door is not locked
E01
Yes
Yes
Door is unlocked during programme
E01
Yes
Yes
Lack of water
E02
Yes
Yes
Pump failure
E03
Yes
Yes
Overflow
E04
Yes
Yes
NTC or Heater Failure
E05
No
Yes
Motor Failure - 1 (Tachometer open-short circuit or
motor connector is disconnected)
motor connector is disconnected)
E06
No
Yes
Motor Failure - 2 (triac short circuit)
E08
No
Yes
Out of voltage
...
No
No
Electronic Pressure Sensor
E10
No
Yes
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9 Troubleshooting Guide
All repairs which must be done on the machine should be done by authorized agents only. When a repair is required for machine or
you are unable to eliminate the failure with the help of the information given below:
you are unable to eliminate the failure with the help of the information given below:
• Unplug the machine.
• Close the water tap.
• Close the water tap.
FAILURE
PROBABLE CAUSE
METHODS OF ELIMINATION
Machine does not
operate.
operate.
It is unplugged.
Insert the plug into the socket.
Fuse is defective.
Change fuse.
Start / Pause button has not been pressed.
Press the start / pause button.
The program knob is in 0 (off) status.
Bring the program knob on the desired status.
The door is not shut properly.
Shut the door properly. You should hear the click.
Child lock is active.
Refer to 6.5. Child Lock.
Machine does not
receive water.
receive water.
Water tap is closed.
Open water tap.
The water inlet hose may be bent.
Check the water inlet hose.
The water inlet hose is obstructed.
Clean the filters of water inlet hose.
The water inlet filter is obstructed.
Clean the valve inlet filters.
The door is not shut properly.
Shut the door properly. You should hear the click.
Machine is not drain-
ing water.
ing water.
The drain hose is obstructed or bent.
Check the drain hose.
The pump filter is obstructed.
Clean the pump filter.
The clothes are not placed inside the machine in a
well-balanced manner.
well-balanced manner.
Spread the clothes inside the machine in an orderly
and well-balanced manner.
and well-balanced manner.
Machine is vibrating. The feet of machine are not adjusted.
Adjust the feet.
Transportation screws are not removed.
Remove transportation screws.
There is a small amount of clothes in the device.
It does not prevent operation of the machine.
Excessive amount of clothes are filled in the machine
or the clothes are not placed in a well-balanced man-
ner.
or the clothes are not placed in a well-balanced man-
ner.
Do not exceed the recommended quantity of clothes
and spared clothes in the machine in a well-balanced
manner.
and spared clothes in the machine in a well-balanced
manner.
Excessive foam in
the detergent drawer.
the detergent drawer.
Too much detergent has been used.
Press the start/pause button. In order to stop the
foam, dilute one table-spoon of softener in half liter of
water and pour it in the detergent drawer. Press the
start/pause button after 5-10 minutes. Arrange the
amount of the detergent properly in the next washing
process.
foam, dilute one table-spoon of softener in half liter of
water and pour it in the detergent drawer. Press the
start/pause button after 5-10 minutes. Arrange the
amount of the detergent properly in the next washing
process.
Wrong detergent has been used.
Use only the detergents produced for full automatic
machines.
machines.
The washing result is
bad.
bad.
Laundry too dirty for the program you have selected. Select a suitable program.
The amount of detergent used is not sufficient.
The amount of detergent used is not sufficient.
Use more detergent according to the detergent.
The washing result is
not good.
not good.
Clothes exceeding the maximum capacity has been
filled in machine.
filled in machine.
Put the clothes in machine in a manner not to exceed
its maximum capacity.
its maximum capacity.
Water may be hard.
Use the amount of detergent according to the declara-
tion of the detergent producer.
tion of the detergent producer.
Distribution of the clothes in machine is not well-bal-
anced.
anced.
Spread the clothes inside the machine in an orderly
and well-balanced manner.
and well-balanced manner.
The water is seen in
the drum during
washing.
the drum during
washing.
No failure. The water is at the lower part of the drum.
There are residues of
detergent on the
clothes.
detergent on the
clothes.
The pieces of some detergents which do not dissolve
in water may stick to clothes as white stains.
in water may stick to clothes as white stains.
By calibrating machine for [Rinsing] program, make
an additional rinsing or eliminate the stains After dry-
ing with the help of a brush.
an additional rinsing or eliminate the stains After dry-
ing with the help of a brush.
There are grey stains
on the clothes.
on the clothes.
These stains may be caused by oil, cream or oint-
ment.
ment.
In the next washing operation, use the maximum
detergent amount declared by the detergent producer.
detergent amount declared by the detergent producer.
The spinning process
is not done or starts
with delay.
is not done or starts
with delay.
No failure. The unbalanced load control works in that
way.
way.
The unbalanced load control system will try to distrib-
ute clothes in a homogenous manner. After clothes
are distributed, passage to spinning process will be
realized. In the next washing process, place clothes
into the machine in a well-balanced manner.
ute clothes in a homogenous manner. After clothes
are distributed, passage to spinning process will be
realized. In the next washing process, place clothes
into the machine in a well-balanced manner.
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