Thank you for your reply. I know I must be missing something obvious.
Things look a bit different than they did a few days ago. I assume there was an automatic update? The interface looks different and it reports a successful connection. But I still see nothing on Setup > Inputs.
When I first started working with it, the log did look like what you posted.
Here is the log file from the emonhub tab.
2017-12-09 23:17:38,731 INFO MainThread EmonHub emonHub emon-pi variant v2.0.0
2017-12-09 23:17:38,732 INFO MainThread Opening hub...
2017-12-09 23:17:38,733 INFO MainThread Logging level set to DEBUG
2017-12-09 23:17:38,733 INFO MainThread Creating EmonHubJeeInterfacer 'RFM2Pi'
2017-12-09 23:17:38,736 DEBUG MainThread Opening serial port: /dev/ttyAMA0 @ 38400 bits/s
2017-12-09 23:17:40,739 WARNING MainThread Device communication error - check settings
2017-12-09 23:17:40,740 INFO MainThread Setting RFM2Pi frequency: 433 (4b)
2017-12-09 23:17:41,741 INFO MainThread Setting RFM2Pi group: 210 (210g)
2017-12-09 23:17:42,743 INFO MainThread Setting RFM2Pi quiet: 0 (0q)
2017-12-09 23:17:43,746 INFO MainThread Setting RFM2Pi baseid: 5 (5i)
2017-12-09 23:17:44,747 INFO MainThread Setting RFM2Pi calibration: 230V (1p)
2017-12-09 23:17:45,749 DEBUG MainThread Setting RFM2Pi subchannels: ['ToRFM12']
2017-12-09 23:17:45,750 DEBUG MainThread Setting RFM2Pi pubchannels: ['ToEmonCMS']
2017-12-09 23:17:45,751 INFO MainThread Creating EmonHubMqttInterfacer 'MQTT'
2017-12-09 23:17:45,752 INFO MainThread MQTT Init mqtt_host=127.0.0.1 mqtt_port=1883 mqtt_user=emonpi
2017-12-09 23:17:45,754 INFO MainThread Creating EmonHubEmoncmsHTTPInterfacer 'emoncmsorg'
2017-12-09 23:17:45,854 INFO MQTT Connecting to MQTT Server
2017-12-09 23:17:45,855 INFO MQTT Could not connect...
2017-12-09 23:17:46,957 INFO MQTT Connecting to MQTT Server
2017-12-09 23:17:46,959 INFO MQTT Could not connect...
2017-12-09 23:17:48,061 INFO MQTT Connecting to MQTT Server
2017-12-09 23:17:48,062 INFO MQTT Could not connect...
2017-12-09 23:17:49,163 INFO MQTT Connecting to MQTT Server
2017-12-09 23:17:49,164 INFO MQTT Could not connect...
2017-12-09 23:17:50,266 INFO MQTT Connecting to MQTT Server
2017-12-09 23:17:50,268 INFO MQTT Could not connect...
2017-12-09 23:17:51,370 INFO MQTT Connecting to MQTT Server
2017-12-09 23:17:51,371 INFO MQTT Could not connect...
2017-12-09 23:17:52,473 INFO MQTT Connecting to MQTT Server
2017-12-09 23:17:52,474 INFO MQTT Could not connect...
2017-12-09 23:17:53,576 INFO MQTT Connecting to MQTT Server
2017-12-09 23:17:53,578 INFO MQTT Could not connect...
2017-12-09 23:20:02,678 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:02,781 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:02,884 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:02,986 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:03,088 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:03,191 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:03,293 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:03,395 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:03,497 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:03,599 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:03,701 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:03,804 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:03,906 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:04,008 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:04,111 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:04,213 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:04,315 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:04,417 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:04,519 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:04,621 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:04,725 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:04,827 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:04,929 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:05,031 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:05,133 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:05,235 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:05,338 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:05,440 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:05,542 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:05,645 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:05,747 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:05,850 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:05,952 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:06,054 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:06,156 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:06,258 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:06,360 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:06,462 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:06,564 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:06,666 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:06,768 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:06,870 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:06,972 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:07,074 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:07,176 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:07,279 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:07,381 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:07,483 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:07,585 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:07,687 INFO MQTT Connecting to MQTT Server
2017-12-09 23:20:07,689 INFO MQTT connection status: Connection successful
2017-12-09 23:20:07,690 DEBUG MQTT CONACK => Return code: 0
2017-12-09 23:20:07,792 INFO MQTT on_subscribe