1# Battery Info Error Codes
2
3> **NOTE**
4>
5> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md).
6
7## 4600101 Service Connection Failure
8
9**Error Message**
10
11Failed to connect to the service.
12
13**Description**
14
15This error code is reported if a service connection failure occurs.
16
17**Possible causes**
18
191. The system service stops running.
20
212. The internal communication of system services is abnormal.
22
23**Solution**
24
25Check whether the system services are running properly.
26
271. Run the following command on the console to view the current system service list:
28
29    ```bash
30    > hdc shell hidumper -ls
31    ```
32
332. Check whether **Battery-info** is included in the system service list.
34