Neptune MAH5500B Series, Техническая информация

Страница: 7 / 14

16025861 7 December 2004
©2004 Maytag Services
Description Connector/
Pin Number
Reference
To
Connector/
Pin Number
Voltage Comments
Bleach water valve output P1(4) P6(2) 120 VAC
Cold water valve output P1(3) P6(2) 120 VAC 500-1K ohms
Door Lock output P1(1) P6(2) 120 VAC 60 millisecond pulse
Door lock switch input P4(5) P4(4) 24 VDC
Door switch input P8(4) P6(2) 120 VAC
Door unlock output P8(3) P6(2) 120 VAC 60 millisecond pulse
Drain pump output P8(1) P6(2) 120 VAC
High water level - input P1(6) P6(2) 120 VAC
Hot water valve output P1(2) P6(2) 120 VAC 500 - 1K ohms
L1- machine control board P6(1) P6(2) 120 VAC
L1- motor control P8(2) P6(2) 120 VAC
Lower water level - input P4(8) P4(4) 24 VDC
Motor control tach P4(2) P4(4) 24 VDC
Neutral (120 VAC) P6(2) Neutral
Unbalance input P3(2) P4(4) 24 VDC
Softener water valve P1(5) P6(2) 120 VAC
Torque PWM P4(3) P4(4) 24 VDC
Water valve thermistor P4(6) P4(7) (10K-85K ohms)
Machine Control Board INPUT/OUTPUT
11.Turn the hot on by pressing the cotton sturdy key. Check for hot water flow at the dispenser. If no hot water
flow, check the hot water valve for 120 VAC between OR and WH. If 120 VAC is present at the hot valve, replace
the water valve. If 120 VAC is not present at the hot valve, check for 120 VAC at the machine control board
between P1(2) and Neutral. If 120 VAC is present at the machine control board, check or replace the harness.
If 120 VAC is not present at the machine control board, replace the machine control board.
!
WARNING
To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing,
unless testing requires it.
Troubleshooting
High Level Sense (HWL)
Softener Water Valve (SWV)
Bleach Water Valve ( BWV)
Cold Water Valve (CWV)
Hot Water Valve (HWV)
Door Lock Solenoid ( Lock or DL)
Do
or
Sw
itc
h
(D
S)
D
oo
r U
nlo
ck
So
le
n
oi
d
(D
U
L)
M
oto
r (M
T
R
)
Dr
ai
n P
um
p
(D
P
) L1
N
Lo
w
er W
ash
L
eve
l S
e
ns
e
(L
WL
)
V
a
lv
e Ther
m
is
tor
(
W
T
)
V
a
lv
e Ther
m
is
tor
(
W
T
)
Do
o
r
Lo
ck
Actu
a
to
r Swit
ch
(
D
L
S
)
+2
4 V
o
lts
(24V
)
To
rque P
W
M
(P
W
M
)
M
o
to
r C
o
nt
rol
T
ach
(
Ta
ch
)
M
tr Co
nt
ro
l S
ig
nal
C
om
m
on
(
C
o
m
m
)
P3
+24
V
olt
s
(2
4
V
)
U
n
b
al
anc
ed
S
w
itc
hes
(U
B
)
Wiring Harness
Connections
Letters in parenthesis designate
markings on the Control Board
P4