User manual
Chapter 5: Maintenance and troubleshooting
98-143082-A Troubleshooting 76
WLAN indicator
Event messages and status messages
In the web interface of the EXPLORER 510 you can see status messages and alerts that are 
currently active.
When a warning or error event is active, the web interface shows a warning symbol 
. Select 
it to see a list of currently active alerts.
List of messages
The following list explains some of the messages that may show in the web interface of the 
EXPLORER 510.
Indicator pattern Meaning
Green flashing Rx/Tx traffic
Green flashing slowly In use - has WLAN registration(s)
Green constant Ready - customized configuration
Yellow constant Ready - factory default configuration
Blue flashing 
(together with Status LED)
Safe mode - see Restore the settings of the 
EXPLORER 510 on page 69.
Off Not active – power off / starting up / closing down
Displayed text Explanation Remedy
Excessive writes to 
the flash memory
Wrong APN name or user 
name/ password for a 
connection which is set to 
auto-activate.
Check that the APN name, 
user name and password are 
set up correctly for your 
connections.
Data rate reduction 
due to high 
temperature
The bit rate of the data 
channel is reduced because 
the temperature is too high.
Move the terminal to a 
cooler location
Antenna - Startup 
temperature too low
The temperature in the 
antenna is too low for the 
system to start up
None. If the ambient 
temperature is outside the 
specified limits, the antenna 
may not be able to start up 
properly. Refer to General 
specifications on page 82 
for temperature 
specifications.
Ciphering is off The network has turned 
ciphering off.
Do not transmit data that 
requires ciphering.










