Operation
18
227865 / 9185612310
2015-12-17·BA00·III·en·02
Fieldbus Isolating Repeater
Series 9185
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LED displays 9185/1.-46-10
Normal operation
Operating terminal engineering
Firmware update
10.3
Troubleshooting
Observe the following troubleshooting plan for troubleshooting:
9185/1.-c5-10, c=3,4
LED
Colour Display
"RUN" LED
green
flashing: Supply voltage OK
"BUS" LED
red
lit: Bus error
off: Bus OK
"TxD" LED
green
flashing: Sending on field side
"RxD" LED
green
flashing: Reception on field side
"DE" LED
green
lit: Data Exchange SPC3 does not exchange data
LED
Colour Display
"RUN" LED
green
lit: Supply voltage OK
"BUS" LED
red
off
"TxD" LED
green
flashing: Sending on field side
"RxD" LED
green
flashing: Reception on field side
"DE" LED
green
off: Data Exchange SPC3 does not exchange data
LED
Colour Display
"RUN" LED
green
off
"BUS" LED
red
lit
"TxD" LED
green
flashing: SendingRS-232 programming interface
"RxD" LED
green
flashing: Reception of RS-232 programming interface
"DE" LED
green
off: Data Exchange SPC3 does not exchange data
Error
Cause of error
Troubleshooting
"PWR" LED is off
• Auxiliary power failure
• Defective device fuse
• Polarity reversal of the
auxiliary power source
• Check the polarity of the auxiliary
power source.
• Check the wiring of the auxiliary power
source.
• If the fuse is defective, have the device
repaired.
"ERR" LED is lit
Short circuit
Check the connection cable and plug.
"ERR" LED is flashing
No telegrams are being received
by the system
• Check the system.
• Check the cables.
• For non-PROFIBUS DP protocols: Set
the baud rate manually at the "BAUD"
rotary switch.
No communication
• Bus not active
• Wrong plug used with
passive EOL resistor
• Start bus.
• Use a plug with active EOL resistor.