162278 / 9440609310
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-10·BA00·III·en·0
7
Operation
21
CPU & Power Module for Zone 2 / Div. 2
Series 9440/15
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10.3 Troubleshooting
Observe the following troubleshooting plan for troubleshooting:
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
• Purchase information
• Error description
• Intended use (in particular input / output wiring)
Error
Cause of error
Troubleshooting
"RUN" LED is lit,
"ERR" LED is off
CPM: OK
Common alarm I/O signal
see LED displays of the I/O modules
"RUN" LED is lit,
"ERR" LED is
flashing
CPM: OK, I/O: common
module alarm
• Module defective
• Module not available
• Wrong module
plugged in
• Replace module
• Plug in module
• Plug in correct module
"RUN" LED is
flashing,
"ERR" LED is off
In standby (switched on but
no data exchange with
master yet)
• Activate the cyclic data transfer
with the master.
• Check master and bus
connection to the CPM.
"RUN" LED is
flashing,
"ERR" LED is
flashing
Data Exchange has been
quit (outputs are in safety
position)
Cyclic data transfer with
master interrupted.
• Activate the cyclic data transfer
with the master.
• Check master and bus
connection to the CPM.
"RUN" LED is
flashing,
"ERR" LED is lit
Configuration error.
Configuration is not okay.
Change configuration of master.
"RUN" LED is off,
"ERR" LED is lit/
flashing
CPM hardware error.
• Hardware check error
• Eprom error
• EEprom error
Replace CPM.
"RUN" LED is off,
"ERR" LED is off
No supply voltage at the
CPM or CPM defective.
• Check the power supply of the
CPM.
• Check the CPM.
• Check the BusRail.
• Engage the CPM correctly on
the BusRail.
• Replace CPM.
