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Error Message F20

Valid for S300, S400, S600, S700

Display Meaning Possible cause Measure S300/S700 Measure S400/S600
F20  Slot Error 

Hardware error of the expansion card 

In the case of expansion card I/O-14/08, check the card's external power supply unit 

In the case of expansion card I/O-14/08, check the card's external power supply unit 

Incorrect PROFIBUS card 

Contact Customer Support Contact Customer Support

Firmware does not support the card which is inserted. 

Contact Customer Support Contact Customer Support

Card is not inserted correctly 

Remove the card and insert a new one and tighten it, following the instructions in the instructions manual. 

Remove the card and insert a new one and tighten it, following the instructions in the instructions manual. 

Power consumption of the plug-in card is too high. 

Contact Customer Support Contact Customer Support
PosIO- or PosI/O-Monitor card not initialized

Start ASCII command CALCPOSIO in the terimal screen

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Extended error message S300 / S700
a second error message with a small "i" (ERRCODE2) is displayed in the display, which has the following meaning
( ERRCODE = 0 --> sorry, we have no additional Information ) :

i 25 Reading data from the POSIO option-card was not possible, see also CALCPOSIO