Errors in log every 2 seconds when the printer is off

[kted]

While the printer is off, telegram.log is beeing filled with the same error every 2 seconds
WARNING - websocket_helper.py:317 - Error received from websocket: {'code': 503, 'message': 'Klippy Host not connected'}
Other than that, it works fine, except the /photo command.
Here's the [bot] section in my config

[bot]
server: localhost
#bot_token: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
#chat_id:   xxxxxxxxx
light_device: Lights
power_device: Printer

Lights and Printer work fine.