DPC DHG07-48/42 - Page 7

DHG07-48/42 small cell power user manual<A>
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2）Import safety certificate ..................................................................................................................... 38
5.2.3 SNMP Use method .............................................................................................................................. 38
6 Failure analysis and troubleshooting .................................................................................................................... 39
6.1 Failure analysis and treatment ................................................................................................................... 39
6.1.1 AC failure........................................................................................................................................ 39
6.1.2 AC overvoltage ............................................................................................................................ 39
6.1.3 AC undervoltage ............................................................................................................................. 40
6.1.4 DC overvoltage ............................................................................................................................... 40
6.1.5 DC undervoltage .......................................................................................................................... 40
6.1.6 Communication failed.................................................................................................................. 40
6.1.7 Rectifier module failure .................................................................................................................. 41
6.1.8 AC lightning arrester failure ........................................................................................................ 41
6.1.9 Low temperature protection ......................................................................................................... 41
6.1.10 Discharge high temperature protection ...................................................................................... 42
6.1.11 Charging high temperature protection ....................................................................................... 42
6.1.12 Overcharge protection ................................................................................................................ 42
6.1.13 Discharge overcurrent protection .................................................................................................. 42
6.2 Replace DC fuse ........................................................................................................................................ 43
7 Maintenance.......................................................................................................................................................... 44
8 Transportation and storage .................................................................................................................................... 45
8.1 Packaging ................................................................................................................................................... 45
8.2 Precautions for lifting and transportation .................................................................................................. 45
8.3 Storage conditions, storage period and precautions ................................................................................... 45
9 Others ................................................................................................................................................................... 45
9.1 Warranty, after-sales service matters, contact methods .............................................................................. 45
9.2 something else ........................................................................................................................................... 45