Panasonic NA-127VB3, Service Manual

Page: 14 / 60

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
°
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.]
• 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.
• LD1 Start / Pause button LED
→
ON
LD9 Door Lock LED
→
When the door is unlocked it will be
off
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)
• 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.