Firmware Update
SM 5-52 D245/D246/D247
and the power is switched ON again, normal operation cannot be guaranteed.
 To guarantee operation, an update error continues to be displayed until update is
successful.
 In this case, insert the SD card again, switch the power ON, and continue download of
firmware from the SD card automatically.
5.6.4 HANDLING FIRMWARE UPDATE ERRORS
If an error occurs, the panel will display an error message.
There are 4 different messages as shown below.
The following are the possible error conditions for each of the 4 error messages:
Error Message Error Situations
SD Card not supported 1. SD card not inserted
2. Bad card
3. SD card format
4. SD3.0 card
File not exists 1. FW file not in D245/D245***.brn
Invalid file format 1. FW file not correct
Update Failed 1. MPU defective
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