Operating Instructions
11
Maintenance and repair
It is recommended that all repairs to our devices be carried out by R. STAHL. In
exceptional cases, repair may be performed by approved third-parties.
The devices are maintenance-free.
Troubleshooting chart:
Error detection
Cause of error
"PWR" LED not lit
Power supply failure or device
fuse is defective
No output signal
Power supply failure or device
fuse is defective
Missing input signal
If the procedure described above does not obtain the desired result, please contact your
local R.STAHL sales and service representative. In order to quickly process your request,
please provide us with the following information:
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•
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12
Accessories and spare parts
Use only original accessories and spare parts from R. STAHL Schaltgeräte GmbH.
22
Vibration Transducer Supply Unit Type 9147
Type and serial number,
Purchase date(s),
Description of the error,
Application description (particularly the configuration of the
input/output circuitry)
Corrective action
Check the polarity of the power supply connection.
Check the wiring of the power supply.
Check the polarity of the power supply connection.
Check the wiring of the power supply.
Ensure that the wiring is correct (Please refer to the
connection diagram)
Check the correct function of the sensor / transducer.
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