Unox MINDMaps BAKERTOP - WF20 - Rotor Valve EG1 Troubleshooting



WF20 EL1 or EG1
valve
NO
Replace the power
board
Test 1
EL1 does not close or
EG1 does not open
YES
Replace the power
Replace the EG1
valve
Test 3
NO
Does the alarm
disapear?
YES End
NO
Replace the
pres sure switch
YES
Replace the power
board
EL1 is the most probable
cause of this alarm
Measure with the
mulmeter set to voltage if th e
power board supplies 230 V AC to
the connector of the water solenoid.
Do you have the supplied
on the EG1?
Measure with the
mulmeter set to voltage if the
power board supplies 230 V AC to the
Test if the
pressure switch opens the
circuit with the mulmeter set to ohm.
Does it open the
circuit?
W
F
20
E
L
1
o
r
E
G
1
v
a
l
v
e
N
O
R
e
p
l
a
c
e
t
h
e
p
o
w
e
r
b
o
a
r
d
T
e
s
t
1
E
L
1
d
o
e
s
n
o
t
c
l
o
s
e
o
r
E
G
1
d
o
e
s
n
o
t
o
p
e
n
Y
E
S
Replace the power
R
e
p
l
a
c
e
t
h
e
E
G
1
v
a
l
v
e
T
e
s
t
3
N
O
O
D
o
e
s
t
h
e
a
l
a
r
m
d
i
s
a
p
e
a
r
?
Y
E
S
E
n
d
N
O
R
e
p
l
a
c
e
t
h
e
p
r
e
s
s
u
r
e
s
w
i
t
c
h
Y
E
S
R
e
p
l
a
c
e
t
h
e
p
o
w
e
r
b
o
a
r
d
E
L
1
i
s
t
h
e
m
o
s
t
p
r
o
b
a
b
l
e
c
a
u
s
e
o
f
t
h
i
s
a
l
a
r
m
M
e
a
s
u
r
e
w
i
t
h
t
h
e
m
u
l

m
e
t
e
r
s
e
t
t
o
v
o
l
t
a
g
e
i
f
t
h
e
p
o
w
e
r
b
o
a
r
d
s
u
pp
li
e
s
23
0
V
A
C
t
o
t
h
e
c
o
nn
e
c
t
o
r
o
f
t
h
e
w
a
t
e
r
s
o
l
e
n
o
i
d
.
D
o
y
o
u
h
a
v
e
t
h
e
s
upp
li
e
d
o
n
t
h
e
E
G
1
?
M
easu
r
e
with th
e
mulmeter set to voltage if the mulmeterset to voltageifthe
power board supplies 230 V AC to the
Test if the
pressure switch op ens the
c
ir
cu
it with th
e
m
u
lm
e
t
e
r
se
t t
o
o
hm.
Does it o
p
en the
c
ir
cu
it?
Update software with
the latest version available
and run a washing program
SUSPENDED
OVEN
171