Detailed Failure Diagnosis Method; Setting Method Of Inspection Mode And Description Of Inspection - Toshiba AW-SD150SBA Service Manual

Detailed Failure Diagnos is Method
(1) S etting method of ins pec tion mode and des c ription of ins pec tion
In the ins pection mode, failure diagnos is of each electrical part can eas ily be checked on the control panel. If an
abnormal alarm s ounds and there is a problem in the was hing machine, identify the faulty electrical part by this
ins pection mode and carry out the failure diagnos is of each electrical part (Page 29).
If the connector is dis connected and reconnected, carry out the checks under this ins pection mode again after
the repair completes and make s ure that the motor s tarts rotation when s tarting s pinning and that no abnormal
alarm s ounds when the s pinning operation is performed for 1 minute.
Water level indicator
Ins pection 1. While pres s ing down the
2. P res s the
mode s etting
3. After the ins pection completes, carry out automatic power off with the
(P rocedures)
T he power is then turned off.
No. C heck Items
1 Motor forward
B y pres s ing the
rotation
forwards after the clutch is switched to was hing.
2 Motor forward T he motor rotates forwards (at high s peed) after
rotation (High the clutch is switched to was hing by pres s ing the
Motor
s peed)
R otation According to the motor s peed, output of 2 rotation
3
s ens or s ens ors is dis played on the digital LE D.
function P ink lead s ens or: Was h LE D
Yellow green lead s ens or: S pin LE D
F unction of
T he water s upply valve (on the tap s ide) works for
4
water s upply
15 s econds by pres s ing the
valve (on the
Water
tap s ide)
s upply
F unction of
T he water s upply valve (on the tap s ide) works for
5
valve
water s upply
15 s econds by pres s ing the
valve (on the
s oftener s ide)
Drain valve
6 Drain valve motor works for 15 s econds and then
function
clutch is switched to s pinning by pres s ing the
Drain
valve
motor
7 According to the clutch s tatus, the proces s
C lutch s ens or
C lutch
input indicator turns on/off.
s ens or
S pin s ide: OF F, Was h s ide: ON
(cup assy)
Water
Water level in the water tub is directly dis played
Water level
8
level
on the water level indicator.
input
s ens or
Lid switch C ours e indicator turns on/off according to open/
9
input clos e of the lid.
Lid
Lid open: OF F, lid clos ed: ON
s witch
10 Lid l o c k Lid lock locks by pres s ing the (Water level) button.
Lid lock releas es by pres s ing the (Water flow
Lid
input
power) button.
L o c k
(Lid lock)LE D turns on by locked condition.
(Lid lock)LE D turns off by releas ed condition.
P roces s indicator
button, pres s the
button. (T he was hing machine will be in s tandby mode.) (P res et time: 10 minutes )
Operation under Normal C ondition
button, the motor rotates
button while pres s ing the button.
button.
button.
button.
– 2 –
C ours e indicator
button. (T he buzzer beeps.)
C heck Items in C as e of A bnormality
(Normal Value)
R esistance between C N4 blue - C N6 red (10 ~ 20 )
R esistance between C N4 blue - C N5 purple (10 ~ 20 )
R esistance between C N6 red - C N5 purple (10 ~ 20 )
* Measured value when unplugged and C N4-6 is removed.
R esistance between C N4 blue - C N6 red (10 ~ 20 )
R esistance between C N4 blue - C N5 purple (10 ~ 20 )
R esistance between C N6 red - C N5 purple (10 ~ 20 )
* Measured value when unplugged and C N4-6 is removed.
C N7
Voltage between black - yellow (5V)
0V ... )
Voltage between black - pink (5V
Voltage between black - yellow green (5V
Voltage between C N1 black - C N9 pink
(S tandby s tate: AC 220-240V, during operation:
0V )
Voltage between C N1 black - C N9 light
blue
(S tandby s tate: AC 220-240V, during operation:
0V )
Voltage between C N1 black - C N9 brown
(S tandby s tate: AC 220-240V ) (During
operation: 0V
Voltage between C N9 red-orange
(S tandby s tate : AC 0V
during latch operation : about DC300~330V )
operation time : about 1 s econd
Voltage between C N7 black - red
(Lid open, clutch on s pin s ide: DC 5V )
(Lid clos ed, clutch on s pin s ide: DC 3.3 ~ 4.2V )
(Lid open, clutch on was h s ide: 0V )
(Lid clos ed, clutch on was h s ide: 0V )
According to (4) Water level s ens or failure
diagnos is method
Voltage between C N7 black - blue
(Lid open, clutch on s pin s ide: DC 5V )
(Lid open, clutch on was h s ide: DC 2.7 ~ 3.3V )
(Lid clos ed, clutch on s pin s ide: 0V )
(Lid clos ed, clutch on was h s ide: 0V )
V oltage between C N10 black-white
s tanby s tate(releas e or lock pos ition) : about
0V , during operation (releas e lock, lock
releas e) AC 220-240V
button.
Failure
Diagnos is
of E lectrical
Parts
1
0V ... )
2
3
4
5
6
7