Tuttnauer 1730EK, Technical Manual

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66
Corrections
26.1
Fix the conne
ctions.
26.2
Replace the p
ressure s
ensor.
26.3
Replace boar
d ANL-T2.
26.4
Replace boar
d ANL-T2.
27.1
Fix the conne
ctions.
27.2
Replace the p
ressure s
ensor.
27.3
Replace boar
d ANL-T2.
27.4
Replace boar
d ANL-T2.
28.1
Calibrate the
pressure mea
suring circuit, as
described in para. 6.3 (Pressure Calibrat
ion).
29.1
Fix the conne
ctions.
29.2
Clean the electrode with alcohol.
29.3
Replace
ANL
- T2 board.
30.1
Clean electro
de with alcohol and check
water level.
30.2
Fix the conne
ctions.
30.3
Replace
ANL
- T2 board.
Pos
sib
le ca
use ch
eck
-u
p and tes
ts
26.1
Check the sensor connections and the soldering at the pins of the sensor connections t
o ANL - T2 b
oard.
26.2
The pressure
sensor is defe
ctive.
26.3
The pressure
mea
suring circuit on ANL-T2
board is defective.
26.4
The A/D component
on A
N
L-T2 board
is
de
fect
ive.
27.1
Check the sensor connections and the soldering at the pins of the sensor connections t
o ANL-T2 bo
ard.
27.2
The pressure
sensor is defe
ctive.
27.3
The pressure
mea
suring circuit on ANL-T2
board is defective.
27.4
The A/D component
on A
N
L-T2 board
is
defective.
28.1
The system
must be calib
rated.
29.1
Check if the wire connecti
ng the electrode to
the board or the electrode is short circuit to the grou
nd.
29.2
The electrode
is not clean.
29.3
If there is no
short circuit,
ANL-T2 board is
damaged.
30.1
Electrode is not clean.
30
.2
Check wire connecting electrod
e
to
board.
30.3
If there is no
short circuit,
ANL-T2 board is
damaged.
Symp
to
m
26.
The pressure readout ind
icates
perman
en
tly
pressure ov
er 350 kP
a
27. The-
pr
es
sure
r
ea
dout
ind
icates
perman
en
tly
pressure less
than 50kP
a.
28.
The pressure readout is not accu
rate. Th
ere is
a
deviation of
±
30. kPa
29.
The electrode indicates that there is permanently water in the chamber although th
ere is n
o water.
30.
The electrode does not sen
se water