---
title: E39009 Inner_Error_Device_Status_Abnormal
description: "Failed to connect the device."
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/maintenref/troubleshooting/atlaserrorcode_15_0326.html
sourcePath: /source/zh/canncommercial/900/maintenref/troubleshooting/atlaserrorcode_15_0326.html
indexId: 6c7cd84dcbcb832e5fa707bb34b42e0691d8f6444e6e49d646769cf0d827d02084
---
# E39009 Inner_Error_Device_Status_Abnormal

#### Symptom

Failed to connect the device.


#### Possible Cause

1. Heartbeats are missing on the device.
2. The underlying channel is disconnected.


#### Solution

1. Obtain the device log and contact technical support at https://www.hiascend.com/support.
2. Restart the device.