OpenEVSE
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Hi, I recently updated my OpenEVSE Level 2 50A Deluxe (V4 board) to the latest firmware and added an ESP32 WiFi module. I no longer am able to set a max current above 24 A and, although the LCD shows "Self Test" on startup, I no longer hear the clicking of the relay. I used the |
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Replies: 6 comments
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Sounds like your "Service Level" is set to L1 (120v). The largest 120v
circuit is a 30A TT-30.
Set this to Service Level to L2 and there is not a 24A limit. If your
station is fixed and circuit is 240v you should use this.
If you use your station on the road and wish for your station to cycle the
relays to try and figure out Service level automatically set it to Auto.
This was setup in the initial wizard and can be found in Settings (Gear
icon) EVSE.
…On Mon, Apr 1, 2024, 10:38 PM Helge Weissig ***@***.***> wrote:
Hi,
I recently updated my OpenEVSE Level 2 50A Deluxe (V4 board) to the latest
firmware and added an ESP32 WiFi module. I no longer am able to set a max
current above 24 A and, although the LCD shows "Self Test" on startup, I no
longer hear the clicking of the relay.
I used the openevse.hex file from the releases but would be comfortable
compiling my own binary if someone could point me at the settings to change.
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Thank you, @chris1howell! That set me on the right path for the max current settings. Alas, the service level had been at "Auto" and not at "L1" and I am not sure why it wouldn't cycle the relays when restarting. I reset the WiFi module and noticed that it did not seem to detect the EVSE during the initial configuration. It also kept the service level at "L2" (or detected it this time without the relays). Not sure where to go from here or if this is anything to worry about. |
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The relay cycle on boot is auto detection of Service Level. "Auto" it closes the relay, looks for voltage on each line and then closes relay. If voltage is found on 1 line Service Level = 1 If your circuit is static, set the correct Service level and save the relays the wear of trying to figure it out each time. If you move your station around a lot and want a separate setting for L1 and L2 set Service Level to Auto. |
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This is helpful. That said, when set on Auto, the detection doesn't seem to work anymore with the new firmware/WiFi module combination. It was always doing that before on the older firmware version (not sure which) and WiFi v2.8.1. |
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It turns out, that my problem was the ESP32 module and its current draw. I had connected it to the 5V pin the old ESP8266 was connected to and that caused the main board to have hissy fits. I switched the ESP32 to the 12V relay screw terminal with a buck converter in between and all is good now. Thanks again for the help here, @chris1howell, and sorry this was a PEBKAC issue, really. |
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It turns out, that my problem was the ESP32 module and its current draw. I had connected it to the 5V pin the old ESP8266 was connected to and that caused the main board to have hissy fits. I switched the ESP32 to the 12V relay screw terminal with a buck converter in between and all is good now.
Thanks again for the help here, @chris1howell, and sorry this was a PEBKAC issue, really.