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9
Troubleshooting
Error
Installation is not possi-
ble.
The switching function
of the device
ist is faulty.
The output signal of the
device is faulty.
The status display does
not light up.
The status display flash-
es red.
The status display lights
up red.
Possible cause
Process connection was di-
mensioned incorrectly.
The process connection on the
tank is damaged.
The process connection on the
device is damaged.
The device was operated out-
side the admissible limits.
The electrical connection is
faulty.
There are deposits or contami-
nation on the device.
The switching output is faulty.
The electrical connection is
faulty.
There are deposits or contami-
nation on the device.
The electronic components are
faulty.
Output signal according to
NAMUR NE 107/VDE 2650
An electrical fault has occurred
due to overvoltage (e. g. thun-
derbolt).
There is no voltage supply.
The electronic components are
faulty.
There has been an overload or
a short circuit in the electrical
circuit.
The ambient temperature does
not correspond to the admissi-
ble temperature range.
An internal device error has oc-
curred.
9 Troubleshooting
Remedy
Contact manufacturer.
Modify the tank or container connection.
Rework the thread.
Replace the process connection.
Return the device.
chapter 11.3 "Returns", Page 44
Test the operating conditions of the device
and compare with the technical data.
chapter 4 "Technical data", Page 12
Test the terminal assignment and startup.
chapter 7 "Installation", Page 28
Clean the device.
chapter 10 "Maintenance and cleaning",
Page 43
Return the device.
chapter 11.3 "Returns", Page 44
Test terminal assignment and startup taking
the entire measuring circuit into consider-
ation.
chapter 7 "Installation", Page 28
Clean the device.
chapter 10 "Maintenance and cleaning",
Page 43
Return the device.
chapter 11.3 "Returns", Page 44
Test the connectors, cables and voltage
supply.
Return the device.
chapter 11.3 "Returns", Page 44
Remedy the short circuit or reduce load cur-
rent according to data sheet.
chapter 4 "Technical data", Page 12
Operate the device within the stipulated
temperature range.
chapter 4 "Technical data", Page 12
Replace the device.
chapter 11 "Shutdown", Page 44
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