Tuttnauer 1730EK, Техническое руководство

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53
Correcti
ons
2.1
Replace the
DIG-T2 board
3.1 Replace
DIG-
T2
board.
4.1
Replace the k
eyboard.
4.2
Replace the
DIG-T2 board.
5.1
Calibrate sen
sor and check calibration
accura
cy during the operation.
5.2
The sensor is faulty. Replace sensor.
6.1
See symptom s 32 in
para. 11.3.
2.
7.1
See symptom s 34 in para. 11.3.2.
Pos
sib
le ca
use ch
eck
-u
p and tes
ts
2.1
If the other fu
nctions are OK, the display
is
probably
damaged.
3.1
DIG-T2 board is faulty.
4.1
Keyboard is faulty.
4.2
DIG-T2 board is faulty.
5.1
Check if the displayed value is near the atmospheric pressure.
5.2
If the display
ed value is significantly
different from the atmosp
heric pressure
probably
that
there is a problem with the
pressure mea
suring.
6.1
Incorrect read
ing of t
he do
or
switch position
7.1
Incorrect read
ing of the reservoir float switch
position.
Symp
to
m
2. System
is
on
and display is
not lit.
3.
System on and erroneous or fragmented digits.
4.
No response from one of the
ke
ys
.
5.
The displayed readout for th
e atmo
sp
he
ric p
res
su
re,
when the door of the chamber is open, does not con
fo
rm to
the actu
al
abs
olu
te
p
re
ssu
re.
6.
Pressing the START key does
not
start
th
e pr
oc
ess
,
des
pite th
e doo
r is
c
lo
sed.
7.
Pressing the START key does
not
start
th
e pr
oc
ess
and
the erro
r mess
ag
e
ADD WATER is displayed des
pite th
e wate
r re
se
rv
oir
be
ing
f
ull.