Brightness Error Codes

NOTE

This topic describes only module-specific error codes. For details about universal error codes, see Universal Error Codes.

4700101 Service Connection Failure

Error Message

Operation failed. Cannot connect to service.

Description

This error code is reported for a service connection failure.

Possible Causes

  1. The system service stops running.

  2. The internal communication of system services is abnormal.

Solution

Check whether the system services are running properly.

  1. Run the following command on the console to view the current system service list:

    > hdc shell hidumper -ls

  2. Check whether DisplayPowerManagerService is included in the system service list.