Tuttnauer 1730EK, Техническое руководство

Страница: 72 / 111

www.shanghaidelan.com
70
Corrections
1.1
Disconnect pipe fr
om the pump, let water
flow to remove ai
r ac
cu
mu
la
tio
n an
d
reconnect
pipe.
1.2 Cl
ea
n
pi
pe
.
1.3
Clean strainer acco
rd
ing
to
ins
tru
ct
ions
.
2.1.1. Replace
fuse
of fix w
iring.
2.1.2
Replace AC-T1 board.
2.2.1
Fix wiring and connections.
2.2.2
replace faulty ANL-T2 V3 board
Possible ca
use check-u
p and tests
Chec
k p
ipe
s co
nne
ct
ing
th
e wa
te
r re
se
rvo
ir,
strainer and pump. 1.1
Air
a
cc
umu
lates
a
t the p
ump
in
le
t.
1.2 Pi
pe
is
cl
ogge
d.
1.3 Strainer
is
clogged
Voltage exists
at the pump.
Check AC
-T1 board
2.1
If
the
re is
a
co
mman
d “0” (logic level) on
connector JP1/3 check AC voltage output (230V) on co
nnec
tor
JP
7/
2.
2.1.1
If
t
he
re
is
volta
ge on the
con
ne
cto
r, th
e pu
mp
’s
fus
e is
blow
n or w
iring is faulty.
2.1.2
If there is no voltage on the con
ne
cto
r, AC-T1 is fa
ulty
.
2.2
If there is no comma
nd (“1” logic level)
on con
necto
r JP1
/3 ch
eck wirin
g b
etween
AC-T1 and ANL-T2 V3 board.
2.2.1
W
iri
ng i
s fault
y.
2.2.2
ANL-T2 V3 board is faulty.
11.5
Water pump malfunction
Symp
to
m
1.
Pump is operating but no or low water flow.
2.
Pump does not work.