Endress+Hauser SpectraSensors J22 TDLAS - Emitting Diodes; Controller

J22 TDLAS Gas Analyzer 4900002277
SpectraSensors, Inc. 111
Diagnostic
Information via Light
Emitting Diodes
Controller
Different LEDs in the controller provide information on the device status.
A0029629
1 Supply voltage
2 Device status
3Not used
4 Communication
5 Service interface (CDI) active
Web browser frozen and
operation no longer possi-
ble
Data transfer active Wait until data transfer or
current action is finished.
Connection lost
1. Check cable connection
and power supply.
2. Refresh the Web brow-
ser and restart if
necessary.
Content of Web browser
incomplete or difficult to
read
Not using optimum ver-
sion of Web server.
1. Use the correct Web
browser version .
2. Clear the Web browser
cache and restart the
Web browser.
Unsuitable view settings. Change the font size/
display ratio of the Web
browser.
Incomplete or no display
of contents in the Web
browser
• JavaScript not enabled
• JavaScript cannot be
enabled
1. Enable JavaScript.
2. Enter http://
XXX.XXX.X.XXX/
basic.html as the IP
address.
LED Color Meaning
1 Supply voltage Off Supply voltage is off or too low
Green Supply voltage is ok