DHG07-48/42 small cell power user manual<A>
39
Load the dpcdhg07.mib library by Ireasoning MIB BROWSER.
V2S mode can access directly
;
V3 mode is as the below configuration, need to fill in 2 pcs passwords.
6 Failure analysis and troubleshooting
6.1 Failure analysis and treatment
6.1.1 AC failure
Possible Causes
⚫
Mains failure.
⚫
The AC input circuit breaker of the previous stage is disconnected.
⚫
The AC input connector cable is loose.
⚫
The AC input circuit breaker of the previous stage is disconnected.
⚫
The AC input connector cable is loose.
Approach
1.
Measure whether the AC input voltage is abnormal, and if so, handle the grid fault.
2.
Check whether the AC input circuit breaker is open. If so, close the circuit breaker after
handling the back-end fault circuit.2.
3.
Check if the AC input cable is loose. If it is, fix the input cable.
6.1.2 AC overvoltage
Possible Causes
⚫
The power grid is unstable.
⚫
The AC overvoltage alarm point set non-properly.
Approach
⚫
Measure whether the AC input voltage is abnormal, and if so, handle the grid fault.