Operation
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201521 / 9477605310
2018-08-13·BA00·III·en·06
Digital Output Module Relay Ex nA Outputs,
8 Channels for Zone 2 / Div. 2
Series 9477/15
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10.2 Troubleshooting
For troubleshooting, refer to the following troubleshooting guide:
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)
Error
Cause of error
Troubleshooting
"RUN" LED is flashing
The module is in proper condition
but is not ready for cyclic data
exchange yet (a parameter set is
not yet available). The outputs are
inactive
• Activate the cyclic data transfer with
the master
• Check master, bus connection and
CPM or CPU & PM
"RUN" LED is off
• No supply voltage present
at the I/O module
• I/O module defective
• Check the system supply
• Check the CPM or CPU & PM
• Check the BusRail
• Snap the I/O module correctly into
place on the BusRail
• Replace the I/O module
"ERR" LED is flashing
Configuration is not correct or a
wrong module is connected
Change configuration in the automation
system or connect the correct module
Cyclic data transfer with the
automation system has been
interrupted
• Check the cyclic data transfer of CPM
or CPU (LCD or "RUN" LED)
• Check bus connection
• Activate the cyclic data transfer with
the automation system
• Hardware check error
• Eprom error
• EEprom error
Replace the module
"ERR" LED is lit
Module is defective
Replace the module
Summary of Contents for IS1+ 9477/15 Series
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