Troubleshooting; Maintenance, Overhaul, Repair; Maintenance - Stahl 9411/24 Serie Betriebsanleitung

Maintenance, Overhaul, Repair

EN

10.3 Troubleshooting

EN
Refer to the following troubleshooting plan for troubleshooting:
EN
Error
EN
"PWR" LED (green)
is off
EN
EN
EN
"ERR" LED (red) is lit
EN
"ERR" LED (red) is lit,
EN
LED "S1" to "S8" (red)
flashing rapidly
EN
EN
"ERR" LED (red) is off
EN
LED "S1" to "S8" (red)
EN
is off
EN
EN
EN
"ERR" LED (red) is off
LED "S1" to "S8" (red)
EN
is lit
EN
"ERR" LED (red)
flashing,
EN
LED "S1" to "S8" (red)
EN
flashing
EN
If the error cannot be eliminated using the mentioned procedures:
EN
• Contact R. STAHL Schaltgeräte GmbH.
EN
For fast processing, have the following information ready:
EN • Type and serial number of the device
• Purchase information
EN
• Error description
• Intended use (in particular input / output wiring)
11 Maintenance, Overhaul, Repair

11.1 Maintenance

• Consult the relevant national regulations to determine the type and extent of
inspections.
• Adapt inspection intervals to the operating conditions.
28
Zone 2 Ex i Field Device Coupler 8 Spurs
Series 9411/24
Cause of error
• No bus power supply at the
trunk
• Coupler defective
• Bus power supply too low
(min. 16 V)
Internal device fault
The corresponding spur causes
an overload (total current
consumption of the connected
field devices > 160 mA during
rated operation)
• Wire breakage at
corresponding spur
• Spur not connected
• Normal operation
(field device connected,
0 mA < I < 40 mA)
Field device connected to
corresponding spur,
3 mA ( I ( 40 mA
• Short circuit at
corresponding spur
• 40 mA < I < 50 mA
Explosion hazard due to opened enclosure cover while fieldbus is
active!
Non-compliance results in severe or fatal injuries.
• Deactivate the fieldbus before opening the enclosure cover.
Troubleshooting
• Check the bus power supply line and
connect correctly if necessary.
• Replace the coupler.
• Check the power supply on the
coupler.
Replace the coupler.
Check the field device at the spur displayed
and replace the field device if necessary.
• Eliminate the causes of the error in the
spur displayed and check the lines and
field devices.
• Connect the field device to the
corresponding spur.
• No action required.
No action required (normal operation).
Eliminate the short circuit on the spur
displayed and check the lines and the
field device.
DANGER
207321 / 941160310190
2023‐03‐06·BA00·III·en·05