Something is fishy. When i boot up the Pi Zero with MeteoPi, the green LED is dimly lit. If I ever plug in the interface the command lights dimly. Even with Console not connected.
When queried I get this output.
pi@raspberrypi:~ $ sudo /etc/init.d/apache2 restart
[ ok ] Restarting apache2 (via systemctl): apache2.service.
pi@raspberrypi:~ $ sudo /etc/init.d/weewx restart
[ ok ] Restarting weewx (via systemctl): weewx.service.
pi@raspberrypi:~ $ sudo tail -f /var/log/syslog
Oct 10 21:06:29 raspberrypi weewx[1068] INFO __main__: Initializing weewx version 4.1.1
Oct 10 21:06:29 raspberrypi weewx[1068] INFO __main__: Using Python 2.7.16 (default, Oct 10 2019, 22:02:15) #012[GCC 8.3.0]
Oct 10 21:06:29 raspberrypi weewx[1068] INFO __main__: Platform Linux-5.4.51+-armv6l-with-debian-10.6
Oct 10 21:06:29 raspberrypi weewx[1068] INFO __main__: Locale is 'en_US.UTF-8'
Oct 10 21:06:29 raspberrypi weewx[1068] INFO __main__: PID file is /var/run/weewx.pid
Oct 10 21:06:29 raspberrypi weewx[1056]: Starting weewx weather system: weewx.
Oct 10 21:06:29 raspberrypi systemd[1]: Started LSB: weewx weather system.
Oct 10 21:06:30 raspberrypi weewx[1072] INFO __main__: Using configuration file /etc/weewx/weewx.conf
Oct 10 21:06:30 raspberrypi weewx[1072] INFO __main__: Debug is 0
Oct 10 21:06:30 raspberrypi weewx[1072] INFO weewx.engine: Loading station type Vantage (weewx.drivers.vantage)
Oct 10 21:06:46 raspberrypi weewx[1072] ERROR weewx.drivers.vantage: Unable to wake up console
Oct 10 21:06:46 raspberrypi weewx[1072] ERROR weewx.engine: Import of driver failed: Unable to wake up Vantage console (<class 'weewx.WakeupError'>)
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** Traceback (most recent call last):
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** File "/usr/share/weewx/weewx/engine.py", line 103, in setupStation
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** self.console = loader_function(config_dict, self)
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 39, in loader
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** return VantageService(engine, config_dict)
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 1897, in __init__
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** Vantage.__init__(self, **config_dict[DRIVER_NAME])
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 514, in __init__
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** self._setup()
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 1316, in _setup
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** self.port.wakeup_console(max_tries=self.max_tries)
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 118, in wakeup_console
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** raise weewx.WakeupError("Unable to wake up Vantage console")
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL weewx.engine: **** WakeupError: Unable to wake up Vantage console
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL __main__: Unable to load driver: Unable to wake up Vantage console
Oct 10 21:06:46 raspberrypi weewx[1072] CRITICAL __main__: **** Exiting...