Panasonic NA-128VB6WSR, Service Manual

Page: 12 / 56

12
7 Service Mode
7.1. Service Autotest
1. Set PR to program 3 (Colours) and press SW2 (T°C) 2. While pressing the SW2, change PR position from third to
second, and release the SW2 button.
3. Bring PR to desired test step (1st ,2nd or 3rd program position) as soon as “SAU” is displayed on LCD.
LCD Display status:
I2 Door Lock Symbol

Fixed on
SS3

SAU
The test steps are as below ;
Step 1 :
• Selector Program 1 (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 Program 2 (Cotton 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.”
• At the end of pump activation, “SAU” visualization should
make slow blink to indicate that the step is over.
Step 3 :
• Selector position 3 (Colours) will be a 12 mins test program
where all functions of the appliance will be checked.
• Machine will make exactly the same algorithm of Super
Rapid 12'.
So, time for selector position 3 is 12 minutes.
• At the end of test program “End” is visualized on LCD and
door is unlocked.
Step1 Step2 Step3
PR Position:
Program 1
(Cotton)
PR Position:
Program 2
(Cotton Prewash)
PR Position:
Program 3
(Colours)
Result Result Result
HEATER ON PUMP ON TEST PROGRAM ON
(Rapid 12’)
Comments :
When entering in service
test, door will be locked.
Test is over
Door will be unlocked, machine
will go to END state.