diff --git a/openct/__main__.py b/openct/__main__.py
index 1079460..a291682 100644
--- a/openct/__main__.py
+++ b/openct/__main__.py
@@ -20,15 +20,7 @@
         logging.info("Backing up device %s", host)
         pbar.update(100 / len(devices))
 
-        device = RouterOSDevice(
-            host,
-            config.identity.username,
-            config.settings.connection_timeout,
-            config.identity.key_file,
-            config.dirs.backup_dir,
-        )
+        device = RouterOSDevice(host, config)
 
         if device.is_available():
             device.fetch_backup()
-        else:
-            logging.error("Could not connect to device %s", host)
diff --git a/openct/connections/connections.py b/openct/connections/connections.py
index b7d2d16..42e02c2 100644
--- a/openct/connections/connections.py
+++ b/openct/connections/connections.py
@@ -4,8 +4,15 @@
 import logging
 
 from fabric import Connection as FabricConnection
-from paramiko.ssh_exception import SSHException, NoValidConnectionsError
-from invoke import UnexpectedExit
+from paramiko.ssh_exception import (
+    SSHException,
+    NoValidConnectionsError,
+    BadHostKeyException,
+    AuthenticationException,
+)
+from invoke import UnexpectedExit, Failure
+
+from openct.setup import Config
 
 
 class DeviceConnection(Protocol):
@@ -21,19 +28,12 @@ def fetch_backup(self) -> None:
 class SshConnection(DeviceConnection):
     """DeviceConnection using Fabric"""
 
-    def __init__(
-        self,
-        ip_address: str,
-        username: str,
-        connection_timeout: int,
-        key_file: str,
-        backup_dir: str,
-    ) -> None:
+    def __init__(self, ip_address: str, config: Config) -> None:
         self.ip_address = ip_address
-        self.username = username
-        self.connection_timeout = connection_timeout
-        self.key_file = key_file
-        self.backup_dir = backup_dir
+        self.username = config.identity.username
+        self.connection_timeout = config.settings.connection_timeout
+        self.key_file = config.identity.key_file
+        self.backup_dir = config.dirs.backup_dir
 
     def test_connection(self) -> bool:
         with FabricConnection(
@@ -45,8 +45,15 @@ def test_connection(self) -> bool:
             try:
                 connection.open()
                 return True
-            except (TimeoutError, SSHException, NoValidConnectionsError):
+            except (
+                TimeoutError,
+                BadHostKeyException,
+                AuthenticationException,
+                SSHException,
+                NoValidConnectionsError,
+            ) as error:
                 logging.error("Could not connect to device %s", self.ip_address)
+                logging.info(error)
                 return False
 
     def fetch_backup(self) -> None:
@@ -57,12 +64,23 @@ def fetch_backup(self) -> None:
             connect_kwargs={"key_filename": self.key_file},
         ) as connection:
             try:
-                connection.run("/export file=backup", hide=True, warn=False)
+                connection.run(
+                    "/export file=backup",
+                    hide=True,
+                    warn=False,
+                    timeout=self.connection_timeout,
+                )
                 connection.get(
                     "backup.rsc", f"{self.backup_dir}/backup_{self.ip_address}.rsc"
                 )
-                connection.run("file/remove backup.rsc", hide=True, warn=False)
-            except UnexpectedExit:
+                connection.run(
+                    "file/remove backup.rsc",
+                    hide=True,
+                    warn=False,
+                    timeout=self.connection_timeout,
+                )
+            except (UnexpectedExit, Failure) as error:
                 logging.error(
                     "Error while fetching backup from device %s", self.ip_address
                 )
+                logging.info(error)
diff --git a/openct/devices/devices.py b/openct/devices/devices.py
index e4fb34c..626d79a 100644
--- a/openct/devices/devices.py
+++ b/openct/devices/devices.py
@@ -3,6 +3,7 @@
 from abc import ABC, abstractmethod
 
 from openct.connections import DeviceConnection, SshConnection
+from openct.setup import Config
 
 
 class Device(ABC):
@@ -22,19 +23,8 @@ def is_available(self) -> bool:
 class RouterOSDevice(Device):
     """RouterOS device"""
 
-    def __init__(
-        self,
-        ip_address: str,
-        username: str,
-        connection_timeout: int,
-        key_file: str,
-        backup_dir: str,
-    ) -> None:
-        super().__init__(
-            SshConnection(
-                ip_address, username, connection_timeout, key_file, backup_dir
-            )
-        )
+    def __init__(self, ip_address: str, config: Config) -> None:
+        super().__init__(SshConnection(ip_address, config))
 
     def fetch_backup(self) -> str:
         return self.connection.fetch_backup()
diff --git a/pyproject.toml b/pyproject.toml
index 6eb30de..ba2cbf3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "openct"
-version = "0.1.3"
+version = "0.1.4"
 description = "Configuration backup and analysis tools for devices running pfSense and RouterOS"
 authors = ["Weehooey <info@weehooey.com>"]
 license = "GNU GPL v3.0"