Tuttnauer 1730EK, Техническое руководство

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62
Corrections
16.1.1 Clean
clogged
piping or replace
faulty air valv
e. If v
oltage is
hi
gher than 4VDC proc
ee
d as
fo
llows
:
16.1.2 Replace
faulty
pressure sensor.
16.1.3 Replace
DIG-T2
board
16.2
Fix the conne
ctions.
16.3
Replace the s
olenoid. If this does not help,
repair or replace the locking mechanism.
16.4 Replace
ANL
-T2
board.
Pos
sib
le ca
use ch
eck
-u
p and tes
ts
Si
nc
e the loc
ki
ng de
vi
ce
is
NORMALLY ON,
th
is
me
ans
tha
t th
e lo
ck
ing p
in
is a
lways
pu
sh
ed
out and opening of the
door is impossible.
If, for any reason, th
e pr
oc
es
s fai
led, t
he
opening of the doo
r will be possib
le only after
pressing the STOP
key.
If the cau
se of the tro
ub
le is
no
t a cy
cle failu
re,
th
e pr
obl
em c
ould be
in
th
e c
ontr
ol
cir
cuit
on
DIG-T
2 b
oa
rd,
in th
e a
ir
va
lv
e,
in th
e p
res
su
re
se
ns
or
, in t
he
dri
ve
r on ANL-
T
2 boa
rd, fr
om
connections or the solenoid.
16.1
Check TP11.
If voltage is 0VDC the cau
se
may be as follows:
16.1.1 High
pressure
in the chamber
due to faulty air
va
lv
e o
r clogg
ed
piping.
16.1.2 Pressure
se
nsor is faulty.
16.1.3
DIG-T
2 board is faulty.
16.2
Check the connection bet
w
een JP5/7 on
ANL-T2 board to the l
ocki
ng solenoi
d.
Check if the cable is not da
maged.
16.3
Check the solenoid input
voltage, without
intermitting t
he solenoid. i
f the voltage i
s
higher than
10
VDC, the problem is the
solenoid or a
mechanic
al problem,
preventing t
he locking pi
n
from moving
freely inside the solenoid.
16.4
If all items ch
ecked above conform to
requirements, ANL-T2 board is faulty.
Symp
to
m
16.
Door lock is always on.