Chapter 12 Troubleshooting and repair
Chapter 12 Troubleshooting and repair
12.1 General problems
Problem
Cause/solution
Device does not respond
(status LED always off)
Check the cable connections (see "Connecting the sensors, actuators and
supply" on page 24)
Communication problems
l
Evaluate the status LED blink code (see "Status LED" on page 35).
l
Load the device log from the NivuLog Easy or the Device to Web
server and use DeviceConfig for the evaluation (see "Evaluating the
device log" on page 70).
l
The accu or battery pack capacity is virtually depleted.
Not all or no data is available
on the server
l
The connection was interrupted during transmission, which is
indicated by a time-out entry in the connection list (see "Device to Web
Server Manual " - upon request). Solution: Initiate a ALOHA
transmission or wait for the next cyclical transmission.
l
The assignment of device and site is not correct (see "Site" on page
37).
Data at universal input is not
plausible
l
Check whether the universal input configuration matches the sensor
output signal (see "Measurement channels" on page 37).
l
Check the filter settings of the universal input (see "Measurement
channels" on page 37).
An analogue channel alarm
status was not identified
Increase the measurement cycle
Alarm status was not
transmitted although the data
is present
l
Check the alarm settings of the measurement channel
l
The connection was interrupted during transmission, which is
indicated by a time-out entry in the connection list (see "Device to Web
Server Manual " - upon request). Solution: Initiate a ALOHA
transmission or wait for the next cyclical transmission.
Alarm message was not sent
although the alarm was
signalled
l
Check the settings of the alarm call plan (see "Device to Web Server
Manual " - upon request).
l
Check the address data of the alarm call plan (see "Device to Web
Server Manual " - upon request).
Isolated switch contact is not
working
l
Disruption to the voltage that is conducted via the isolated switch
contact
l
The site settings were overwritten by a server PLC.
The value set via the input
screen on the Device to Web
server is not issued at the
output channel.
The site settings were overwritten by a PLC server.
NivuLog Easy - Rev. 05 as of 02.07.2012
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