Mitsubishi Electric KD Series User Manual page 98

Appendix B: Error indicator
Item Status
Error indicator register
4 '1' at 0bit of DeviceError
(DeviceError = 1,3,5,7 )
Error indication register "DeviceError"
"1" at 1bit (DeviceError = 2,3,6,7 )
5
Error indication register "DeviceError"
"1" at 2bit (DeviceError = 4,5,6,7 )
TM-XJ959A
Contents of errors and counterplan
This status indicates that the cooling fan is stopped or operates at slow
speed. Please check the following point.
①Is there anything that bothers cooling fan?
If there is nothing that bothers the cooling fan's operations, the cooling
fan may be broken or at the end of the life time.
This status indicates an abnormal temperature of FPGA.
Make sure if the surrounding temperature of this product is high or not.
When necessary, please carry out additional cooling solution to this
product.
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