1e41f4b71Sopenharmony_ci# Vibrator Error Codes 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci> **NOTE** 4e41f4b71Sopenharmony_ci> 5e41f4b71Sopenharmony_ci> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md). 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ci## 14600101 Device operation failed. 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci**Error Message** 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ciDevice operation failed. 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Description** 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ciThis error code is reported if the HDI service is abnormal or the device is occupied when the **startVibration** interface of the vibrator module is called. 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci**Possible Causes** 18e41f4b71Sopenharmony_ci<!--RP1--> 19e41f4b71Sopenharmony_ci1. The HDI service is abnormal. 20e41f4b71Sopenharmony_ci2. The device is occupied. 21e41f4b71Sopenharmony_ci<!--RP1End--> 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ci**Solution** 24e41f4b71Sopenharmony_ci<!--RP2--> 25e41f4b71Sopenharmony_ci1. Retry the operation at a specified interval or at an exponential increase interval. If the operation fails for three consecutive times, stop the retry. You can also obtain the vibrator list to check for device availability. 26e41f4b71Sopenharmony_ci2. Set a higher priority for the vibrator. 27e41f4b71Sopenharmony_ci<!--RP2End--> 28