Hello, friend!
Because I cannot locate the fault remotely, run the following command to collect device information:
huawei(config)#scroll
huawei(config)#display time
huawei(config)#display sysuptime
huawei(config)#display board 0
huawei(config)#display patch all
huawei(config)#display io-packetfile information
huawei(config)#display log all
huawei(config)#display event history all list
huawei(config)#display alarm history all list
huawei(config)#display current-configuration
huawei(diagnose)%%display elabel 0
//wait 30 sec
huawei(diagnose)%%display reset-record
huawei(diagnose)%%display reboot-record active
huawei(diagnose)%%display reboot-record standby
huawei(diagnose)%%display error active
huawei(diagnose)%%display error standby
huawei(diagnose)%%display lastwords history
huawei(su)%%display flash state active
huawei(su)%%display flash state standby
huawei(su)%%display upgrade-log active
huawei(su)in enable
huawei(su)in print 0xd7 1
huawei(su)in send 0xd7 7 1 10
huawei(su)in print 0xd7 0
huawei(su)in disable
Thanks!