53
PROCEDURE
SYMPTOMS
1. Lack of indications on the display. The
bargraph indicates nothing.
Check the connection of the feeder cable.
2. The time is displayed on the display,
e.g.
H_12
alternately with
34:43
.
The number of measurements
Cnt
= 0 has been
introduced. The meter is working in the SLEEP
mode. It displays the current hour.
3. Marks
or
are displayed on the display.
Check the correctness of the input signal connec-
tion. See the service manual. Check also the setting
of parameters
D_P
,
Ind
,
Loln
and
Hiln
.
4. A signal inconsistent with our
expectations occurs on the meter
analog output.
One must check if the load resistance of the ana-
logue output is in accordance with technical data.
Check if the individual characteristic is not switched
on. In case of necessity make changes of individual
characteristic parameters or introduce manufacturer
parameters
Set
.
5. Lack of possibility to enter into the
programming mode. The inscription
Err
is displayed.
The programming mode is protected by a password.
When the user forgets which password has been
introduced, he should contact by phone the manu-
facturer or the nearest authorised workshop.
8. BEFORE A FAILURE WILL BE DECLARED
In case of incorrect symptoms please to acquaint with the table below.
6. Lack of certainty if all segments of the
display or bargraph are efficient.
Enter into the programming matrix and switch the
display and bargraph
tSt
test on.
Character fields are lighted successively from 0000
to 9999. In the same time the bargraph is lighted
with successive colours. If some of segments are not
lighted or diodes have different colours, one must
submit these defects to the nearest workshop.
7. During the operation in the pro-
gramming mode, parameter values
inconsistent with the range of changes
given in the table 1, appear on the
display.
Enter into the programming matrix and accept the
SEt
parameter. The meter will introduce values in
accordance with the table 2.