Maintenance and repair
18
213097 / 914760310010
2016-03-17 BA00 III en 07
Vibration Transducer Supply Unit
Series 9147
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
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 and 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.
11.2 Maintenance
The device does not require regular maintenance.
Error
Cause of error
Troubleshooting
"PWR" LED is off
• Auxiliary power failure
• Defective device fuse
• Polarity reversal of the aux
-
iliary power source
• Check the polarity of the auxiliary pow
-
er source.
• Check the wiring of the auxiliary power
source.
• If the fuse is defective, have the device
repaired.
"PWR" LED flashes per
-
manently
Defective device
Send the device for repair.
No output signal
• Auxiliary power failure
• Defective device fuse
• Check the polarity of the auxiliary
power source.
• Check the auxiliary power wiring.
Missing input signal
• Line fault in the field current
circuit
• Check wiring (see connection
diagram).
• Check the functionality of the vibration
transducer / sensor.
Observe the relevant national regulations in the country of use.