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Event Fault Action
Electrical Connections and Communication Output
No power supply Check the power supply
Connection of the device is incorrect.
Check the connection between
the device and the power supply.
Current Output value < 4 mA.
The calibration of the current output is
incorrect.
Execute the calibration if you have authorized access or contact NIVELCO
Service centre.
An error has occurred. This happens in case the range 4-20 mA / error 22 mA is selected.
Check the status of the device by selecting the marker window (F8) or enter the
status (4.0) menu of the HART® communicator.
Reads 22 mA.
The device is in its start-up phase Wait 50 seconds.
If the current value drops to a value between
4 and 20 mA, and goes immediately back to 22 mA, contact your NIVELCO
Service Centre.
The value at the current output
does not correspond to the
value at the display
(PC STAR 2 or
HART® communicator).
The current output settings are incorrect. Check the current loop and the connections.
Configure the output as described in Sect. 3.3.3 (user sub-menu 1.3) of the
MicroTREK 2-wire Handbook – also try adjusting the threshold using
F11-Dynamic Configuration function (PCSTAR 2) or menu 2.1.5.1.0 (HHC).
The communication parameters of the
computer are set incorrectly.
Check computer setting (address/device number).
Bad connection to the interface. Check connection.
Current output value is < 4 mA.
Data communication via the
digital interface is not working.
The MicroTREK 2-wire is in its
start up phase, wait 50 seconds
and try again.
Current output value is = 22 mA
If problem persists then contact your NIVELCO Service Centre.
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