ShellyEM - intermittent readings

alfwro13

Hi,

I have just installed my brand new EM with 120A clamp connected to CH1. I am running the latest firmware. I am able to connect to EM web interface fine but I have noticed that the readings are very intermittent. Some times it will sit on the same values for very long time. From time to time the CH2 starts showing negative values.

I have done multiple resets to factory default but it is always the same.

This is how it is connected:

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Debug log:

Code

3716972599:1637790189064728 mgos_sys_config.c:232   Loading conf3.json
3717151052 mgos_sys_config.c:174   Saved to conf9.json
3717264811 mgos_http_server.c:180  0x3fff6f94 HTTP connection from 192.168.1.150:62669
3719161953 mgos_http_server.c:180  0x3fff704c HTTP connection from 192.168.1.150:62670
3719178900 json.c:420              RAM: 50344 total, 20412 free
3721627263 mgos_http_server.c:180  0x3fff7104 HTTP connection from 192.168.1.150:62671
3721699847 mgos_http_server.c:180  0x3fff67ec HTTP connection from 192.168.1.150:62672
3721742070 mgos_http_server.c:180  0x3fff67c4 HTTP connection from 192.168.1.150:62673
3724169601 mgos_http_server.c:180  0x3fff708c HTTP connection from 192.168.1.150:62674
3724216641 json.c:420              RAM: 50344 total, 19856 free
3726108134 energymeter.c:466       Initializing energymeter
3728094750 mgos_http_server.c:180  0x3fff6124 HTTP connection from 192.168.1.150:62675
3728181765 mgos_http_server.c:180  0x3fff687c HTTP connection from 192.168.1.150:62676
3728237620 mgos_http_server.c:180  0x3fff6cf4 HTTP connection from 192.168.1.150:62677
3729167670 mgos_http_server.c:180  0x3fff687c HTTP connection from 192.168.1.150:62678
3729186124 json.c:420              RAM: 50344 total, 19632 free
3734164902 mgos_http_server.c:180  0x3fff6204 HTTP connection from 192.168.1.150:62679
3734184195 json.c:420              RAM: 50344 total, 20180 free
3736108126 energymeter.c:466       Initializing energymeter
3736901108 mgos_http_server.c:180  0x3fff679c HTTP connection from 192.168.1.150:62680

Alles anzeigen

I have no idea what to do next?

What am I doing wrong?

Thanks in advance

Alf

alfwro13

Just to update this thread - I checked my EM this morning and it was dead - wifi light was out and cold when touched. Checked power supply and that was fine. Re-connected and tried to reset it using the reset button - all to no avail. I guess I will be sending it all back.