IFM PI2797 - Page 30

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Display IO-Link event number IO-Link PDValid IO-Link Device- Status Idx 36 Type of fault Corrective measures
W532 0x8CA5 yes 2** Load at
analogue
output too
high�***
► Reduce load at output 2 or increase
the supply voltage�
W203 0x1822 yes 2** Error during the
temperature
compensation
of the pressure
measurement�
The unit uses a higher temperature
coefficient (i�e� with reduced accuracy)�
► Replace the unit�
W703 0x8CC2 yes 2** Medium
temperature
too high
(> 150 °C)�
Reduce the medium temperature�
W704 0x8CC3 yes 2** Medium
temperature
too low
(< -30 °C)�
Increase the medium temperature�
W161 0x4210 yes 2** Unit
temperature
too high
(> 90°C)�
Unit outside the specification�
► Do not insulate the installation�
W162 0x4220 yes 2** Unit
temperature
too low
(< -30 °C)�
Unit outside the specification�
► Insulate the installation�
* In case of undervoltage (fault no� W403) the display shows nothing
** 2 = Out of Spec / 4 = Failure
*** This message is only displayed for 3-wire operation� For 2-wire operation undervoltage
is detected and displayed� If OU2 is not used for the application, the message can be
suppressedbydefiningaswitchingfunctionforOU2(→9.3.1).