226834 / 972160310010
2017-06-02·BA00·III·en·02
Maintenance and repair
17
Media Converter FX op is / TX SC for Zone 2
Series 9721/13-11-xx
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10.3 Troubleshooting
Refer to the following troubleshooting chart during troubleshooting:
For other errors, see the status list.
If the error cannot be eliminated using the mentioned procedures:
• Contact R. STAHL Schaltgeräte GmbH.
For fast processing, have the following information ready:
• Type and serial number of the device
• Purchase information
• Error description
• Intended use (in particular input / output wiring)
11
Maintenance and repair
11.1 Maintenance
• Consult the relevant national regulations to determine the type and extent of inspec
-
tions.
• Adapt inspection intervals to the operating conditions.
At least the following points should be checked during the maintenance of the device:
• Whether or not the clamping screws holding the electric cables have been firmly tight
-
ened,
• If the device enclosure and / or protective enclosure have cracks or other visible signs
of damage,
• The compliance with the permissible temperatures (according to IEC/EN 60079).
11.2 Maintenance
The device does not require regular maintenance.
Error
Cause of error
Troubleshooting
LED is lit or flashing Normal connection or data
transfer
No troubleshooting necessary
LED off
No supply voltage to the de
-
vice
Check the supply
No cable connected
Connect cables
TX and RX connected incor
-
rectly on the fibre optic port
Switch cables
Connected device not ready
for use
Check connected device
Defective device
Replace device
One LED flashes
and one is lit
Device with Gbps data
transmission connected to
flashing port
Replace the connected device with a
Mbps device or set the transmission
rate to Mbps
Observe the relevant national regulations in the country of use.
