| 错误代码 | 决议 |
| Er 1 | Your device's batteries are low. Please replace them with 4 AA batteries. |
| Er 4 Er 5 Er 6 |
Your device cannot connect to the cellular network. Try moving to a new location, upstairs or near a window. |
有关任何其他错误代码，请联系 CareSimple 客户支持。