Stahl 9146 Series, Руководство по эксплуатации

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Maintenance, Overhaul, Repair
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159896 / 914660310010
2018-09-06·BA00·III·en·0 4
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Frequency Transmitter Field Circuit Ex i
Series 9146
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 of the device
• Purchase information
• 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.
During maintenance of the device, check at least:
• whether the clamping screws holding the electric lines are securely seated,
• whether the device enclosure and / or protective enclosure have cracks or other visible
signs of damage,
• whether the permissible ambient temperatures are observed,
• whether the device is used according to its designated use.
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.
"PWR" LED flashes
permanently
Defective device Send the device for repair
Faulty output signals • Incorrect connection
of the sensor
• Incorrect setting of the
DIP switch
• The device has been
programmed via PC,
but the DIP switches are
not in the "OFF" position
• Check the connections
• Adjust the DIP switch correctly
LED "LF1"/"LF2" lit • Incorrect connection of the
switching element
• Switching element does
not function according to
NAMUR.
• Ensure correct wiring of the switching
element.
• Connect the de-energized contacts to
additional resistors accordingly.
LED "LF1"/"LF2"
flashing
Outside of measuring range Configure the measuring range accordingly