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USB error codes
If a problem occurs when attempting to perform a USB read or write operation the time switch will show an error code on the
display. Following is a description of the different error codes:
OPFILE Er
File could not be created on the USB memory stick (stick may be write protected or corrupted)
wrFILE Er
Program data could not be written to the USB memory stick (stick may be full)
oPFILE ER File could not be opened for reading from the USB memory stick
rdFILE Er
File could not be read from the USB memory stick
MSDH Er
USB device is not a memory type device
FATFS Er
Fat file system error indicating the memory stick contains a data format that is incompatible with the time
switch
DEVICE Er USB memory stick is defective
shCrct Er
The power supply for USB port on the time switch is not functioning
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