© MOBATIME
75 / 84
800847.08
D
Troubleshooting
Error
Solution / possible cause
1
DTS does not accept
time
Does the reading change (approx.
every 3 sec)
Sec counter DCF
in
Status
Source
TIME SOURCE
INFORMATION?
No, but 20 min.
have not yet
passed since the
last reboot.
After new installation or powers supply failure, it
may take up to 20 min. until the GPS receiver
(e.g. GNSS 4500) sends out valid telegrams.
Wait for this time to pass.
2
No, for more
than 20 minutes.
Check DCF reception LED
Check polarity cabling to GPS.
Check positioning of the GPS receiver
3
Error-Bit 23 (
Syn only diff too big
) in
Status
Alarm status
set
The deviation to the received time is beyond the
maximal allowed time correction.
In the menu
Configuration
Time administration
Time-keeping configuration
TIME
ADJUSTMENT CONFIGURATION, set the
parameter
synch. only offset
(4) to 0
(=deactivated). The time is now adjusted
independently of the deviation’s extend. It is
however recommended to set a limit in normal
operation (default 800ms).
4
Offset to source
in
Status
Time
TIME INFORMATION AND
STATUS always shows the same
offset
If Error-Bit 23 set, see point 3
The deviation is that big, that offset changes
cannot be seen due to the displayed
resolution.
5
Configuration has just been
changed
In the case of configuration changes, particularly
if the time configuration is concerned, it can take
several minutes for the change to appear
correctly.
6
Error-Bit 16 set (
time
source fail stratum
)
See 1
7
Error-Bit 17 set (
time
source fail TO
)
See 1
8
Error-Bit 23 set (
Syn
only diff too big
)
See 1
9
Drift (ppm) of quartz
too high
The drift displayed in the menu
Status
Time
TIME INFORMA-
TION AND STATUS is bigger than
stated in the data sheet.
The quartz drift is measured and corrected
continuously. After initial operation, it may take
up to 24 hours until optimal accuracy is
reached (with GPS reception).
Very large temperature change (outside the
specification)
Time correction was carried out manually.
10
Needed information to
contact your
MOBATIME service
Device type, part number, production number
and serial number:
Details are given on the adhesive type label.
The following files must be provided for the
analysis:
All files (in .zip folders, separate for each
device)
from the directories
/var/log/
and
/etc/
and the file:
/ram/trim.log
.
To copy this files use FTP, e.g. Windows
Explorer with ftp://[IP address], see chapter 7.5 .
If the log files cannot be copied, please read
out the current software version:
The software version can be queried in the menu
1 STATUS/9 Versions of the software
.
Place and date of purchase and of
commissioning of the device.
Most comprehensive possible details of the
malfunction:
Describe the problem, possible causes,
measures taken, the system environment /
operating mode and configuration, etc.
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