Power Manager Error Codes

NOTE

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

4900101 Service Connection Failure

Error Message

Failed to connect to the service.

Description

This error code is reported if a service connection failure occurs.

Possible Causes

1. The system service stops running.

2. The internal communication of system services is abnormal.

Procedure

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 PowerManagerService is included in the system service list.

4900102 System Shutting Down

Error Message

Operation failed. The system is shutting down.

Description

This error code is reported when an operation failed during system shutting down.

Possible Causes

The system is shutting down.

Procedure

Make sure that the operation is performed when the system is running properly.

4900201 Frequent Status Refreshes

Error Message

The device activity is being refreshed too frequently; the minimum timeinterval is 100 ms.

Description

This error code is reported if the refresh of the device activity status fails due to short intervals (< 100 ms).

Possible Causes

The device activity status is frequently refreshed.

Procedure

No more refresh is needed if the device activity status has been refreshed within 100 ms. Try another refresh 100 ms later.

4900301 Power Mode Setting Failed

Error Message

Setting the power mode failed.

Description

This error code is reported if the power mode fails to be set.

Possible Causes

The power mode fails to be set due to the power mode control rules.

Procedure

The current power mode cannot be switched to the target power mode. You can call the getPowerMode API to query the current power mode.

4900400 Incorrect Input Parameter

Error Message

The input parameter is invalid.

Description

The input parameter is incorrect.

Possible Causes

The parameter is a null pointer or the parameter value is out of range.

Procedure

The input parameter value does not meet the requirements. Check whether the input parameter value is correct.

4900501 Failure to Read the Power Supply Configuration Node

Error Message

Failed to read the power configuration value.

Description

The read operation fails.

Possible Causes

The node does not exist.

Procedure

Check whether the input parameter node exists.

4900601 Failure to Write the Power Supply Configuration Node

Error Message

Failed to write the power configuration value.

Description

The write operation fails.

Possible Causes

The node does not exist.

Procedure

Check whether the input parameter node exists.