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Verfügbare Sprachen
Verfügbare Sprachen
TA20J
!
Endress+Hauser
Note!
In the event of a serious fault, a measuring device might have to be returned to the manufacturer
for repair. Follow the instructions in → chap. 9.4 before returning the measuring device to End-
ress+Hauser.
Check display (local display)
No display visible
9.2
Application errors without messages
9.2.1
Application errors for RTD/TC connection
Symptoms
Measured value is incor-
rect/inaccurate
9.3
Spare parts
Various spare parts, which can be ordered separately from Endress+Hauser, are available. The E+H
service organisation can provide detailed information on the order code of your choice.
If ordering spare parts, please specify the serial number of the unit!
9.4
Returns
The device should be well packed, preferably in the original packaging when storing for further use
or returning it for repair. Repairs must only be done by the service organization of your supplier or
by trained skilled personnel.
When returning the device for repair, please add a desription of both the fault and the application
and additional enclose a fully completed "Declaration of Contamination" form with the device. A
copy of that can be found at the end of this manual.
→
1. Check the supply voltage
→
Order spare part → chap. 9.3
2. Electronics defective
3. Check whether the retainers of the display module are correctly seated on the
electronics module
→
4. Display module defective
Cause
Incorrect sensor orientation
Heat conducted by sensor
Device programming is incorrect (display)
Device programming is incorrect (head
transmitter) e.g. sensor type, scaling, com-
parison measurement point, offset...
Sensor connection incorrect
The cable resistance of the sensor (two-
wire RTD) was not compensated
Interference via the thermocouple wire
welded in the thermowell (interference
voltage coupling)
Sensor defective
Calibration defective
Display defective
Head transmitter defective
Terminals + and -
Order spare part → chap. 9.3
Action/cure
Install the sensor correctly
Observe the face-to-face length of the sen-
sor
Check the device programming →
chap. 6.2
Check the device programming (see oper-
ating manual of the head transmitter)
Check the sensor connection (see operat-
ing manual of the head transmitter)
Compensate the cable resistance (see oper-
ating manual of the head transmitter)
Use a sensor where the thermocouple wire
is not welded
Check or replace sensor
Display calibration → chap. 5.3
Replace display
Replace head transmitter
4 Wiring
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