在AWS设备农场中，连接超时错误异常可能是由于网络问题或代码问题引起的。下面是一些解决方法的代码示例：

1. 检查网络连接：

   import requests
   
   try:
       response = requests.get('https://example.com', timeout=5)
       # 处理响应
   except requests.exceptions.Timeout:
       print("连接超时")
   except requests.exceptions.RequestException as e:
       print("请求异常:", e)
   

2. 增加重试机制：

   import requests
   from requests.adapters import HTTPAdapter
   from requests.packages.urllib3.util.retry import Retry
   
   retries = Retry(total=5, backoff_factor=0.1, status_forcelist=[ 500, 502, 503, 504 ])
   session = requests.Session()
   session.mount('http://', HTTPAdapter(max_retries=retries))
   session.mount('https://', HTTPAdapter(max_retries=retries))
   
   try:
       response = session.get('https://example.com', timeout=5)
       # 处理响应
   except requests.exceptions.RequestException as e:
       print("请求异常:", e)
   

3. 检查设备农场的负载和可用性：

   import boto3
   
   def check_instance_status(instance_id):
       ec2 = boto3.client('ec2')
       response = ec2.describe_instance_status(InstanceIds=[instance_id])
       if len(response['InstanceStatuses']) > 0:
           status = response['InstanceStatuses'][0]['InstanceState']['Name']
           if status != 'running':
               print(f"实例 {instance_id} 当前状态为 {status}")
       else:
           print(f"无法获取实例 {instance_id} 的状态")
   
   instance_id = 'i-1234567890abcdef0'  # 替换为实际的实例ID
   check_instance_status(instance_id)
   

请注意，这些代码示例仅作为参考，具体的解决方法可能因实际情况而异。