Endress+Hauser SpectraSensors J22 TDLAS, Operating Instructions Manual

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J22 TDLAS Gas Analyzer Operating Instructions
Hauser 103
Data transfer mode
• ASCII
1
• RTU 1
• TCP 1
Data access Each device parameter can be accessed through Modbus RS485 and Modbus TCP.
9.13 General troubleshooting
For local display
Error Possible Causes Solution
Local display dark and no
output signals
Supply voltage does not match the value
indicated on the nameplate.
Apply the correct supply voltage →  .
The polarity of the supply voltage is wrong. Correct the polarity.
No contact between connecting cables and
terminals.
Check the cable connection and correct if
necessary.
Terminals are not plugged into the I/O
electronics module correctly. Terminals are not
plugged into the main electronics module
correctly.
Check terminals.
I/O electronics module is defective. Main
electronics module is defective.
Order spare part →  .
Local display is dark, but
signal output is within
the valid range
Display is set too bright or too dark.
• Set the display brighter by simultaneously
pressing  +  .
• Set the display darker by simultaneously
pressing  +  .
The display module cable is not plugged in
correctly.
Insert the plug correctly into the main
electronics module and display module.
Display module is defective. Order spare part →  .
Backlighting of local
display is red
Diagnostic event with Alarm Diagnostic
behavior has occurred.
Take remedial measures.
Message on local display:
“Communication Error”
“Check Electronics”
Communication between the display module
and the electronics is interrupted.
Check the cable and the connector between the
main electronics module and display module.
Order
replacement part →  .
For output signals
Error Possible Causes Solution
Signal output outside
the valid range
Main electronics module is defective. Order spare part →  113.
Device shows correct
value on local display,
but signal output is
incorrect, though in
the valid range.
Configuration error Check and correct the parameter configuration.
Device measures
incorrectly.
Configuration error or device is operated outside
the application.
1. Check and correct parameter configuration.
2. Observe limit values specified in the
Technical Data.
1
Modbus TCP only