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Installation, Operation and Maintenance Manual ManRE20en Rev.06/2022
OMC S.p.A: Via G. Galilei, 18 - 20060 - Cassina de Pecchi (MI) - ITALY - www.omcvalves.com - Tel.: (+39) 02.95.28.468
8.
Auto Calibration and PCB Operation
8.1 Warning
Following process will operate valve and actuator. Make sure to disconnect the Valve from
the system prior to the automatic calibration (AutoCal) to prevent any disruption of the
process since this operation shall move the Valve and Actuator.
8.2
LCD display and buttons
8.2.1
LCD display and symbols
Fig. 8-1:
0B
Symbols
1B
Description
2B
Symbols
3B
Description
4B
Failure
5B
Degree in Celsius
6B
Functional Check
7B
Degree in Fahrenheit
8B
Out of Specifications
9B
Percent
10B
Maintenance Required
11B
Current in mA
The four symbols located on the left are the symbols that display alarm messages classified in four
groups in accordance with NAMUR NE107.