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Knowledge base
General
FAQ
3
OpenEVSE Compatibility
Will OpenEVSE work in my country
Can OpenEVSE provide 3 Phase power to the Electric Vehicle?
Getting Started
4
Theory of Operation
Basics of SAE J1772
OpenEVSE Safety Features
OpenEVSE license
Troubleshooting
Safety
5
Display says GFCI Self Test Disabled
OpenEVSE boots and displays Error no Ground (Earth Ground)
OpenEVSE boots and displays "Error Stuck Relay"
OpenEVSE displays GFCI Error while booting or before charging
OpenEVSE closes relay (may charge for some time) then displays Error No Ground (Earth Ground)
Display
2
Monochrome LCD goes dark but lights up if button is pressed
What kind of battery does the display require? Can I run witho
General
2
Charging Station fails to boot
RV NEMA 14-50 does not work
Current Measurement
3
Display always reads 0A even though vehicle is Charging okay
Measured current is lower/higher than anouther reading
Voltage displays 240. How do I set to something different?
Temperature
2
OpenEVSE charges vehicle fully but displays temperature warning
Service Required Over Temp
Charging
2
Vehicle is connected but STATION still says "Ready" and does not charge.
Vehicle is connected but VEHICLE does not detect plug and does not charge.
OpenEVSE Firmware
LCD Menu
3
LCD Menu
How do I set the Maximum Current available to the Vehicle?
OpenEVSE displays "L1" but is connected to L2 single phase 208 - 240v AC
Assembly
Building my kit
3
Screws do not fit through hole on LCD
Diagrams for OpenEVSE controllers
Seal for Poly-Carbonate Enclosure
OpenEVSE Charging Station Kits
Basic Kit
1
How do I change settings on the basic kit with no display or button?
WiFi
How to
2
Join a WiFi network
Ohm Connect Support
Factory Reset
1
Factory Reset / Password recovery
Troubleshooting
1
OpenEVSE_XXXX WiFi Portal Disappeared
Community forums
Showing recent updates
Start a new topic
OpenEVSE Forums
Announcements
13
OpenEVSE Discord Channel
Posted by
OpenEVSE Support
,
about 1 month ago
Last Reply
by OpenEVSE Support
27 days ago
OCPP Guide Pulse Energy
Posted by
OpenEVSE Support
,
about 1 month ago
Last Reply
by OpenEVSE Support
about 1 month ago
New 3.5" Color LCD display
Posted by
OpenEVSE Support
,
11 months ago
Last Reply
by Kim Wall
13 days ago
See all 13 topics
OpenEVSE Hardware
309
Building a flexible tailless OpenEVSE 40A kit.
Posted by
Robert Gibb
,
about 7 years ago
Last Reply
by fastbike
5 days ago
LCD to front cover assembly? 3d printed?
Posted by
Theo Abramovich
,
15 days ago
Last Reply
by Theo Abramovich
13 days ago
New installation (fr)
Posted by
Jérémy Filhoulaud
,
3 months ago
Last Reply
by Jérémy Filhoulaud
24 days ago
See all 309 topics
OpenEVSE Firmware
119
New lids and display; Data transfer?
Posted by
Theo Abramovich
,
5 months ago
Last Reply
by Theo Abramovich
14 days ago
Cannot set current above 24A
Posted by
John Daisley
,
24 days ago
Last Reply
by OpenEVSE Support
24 days ago
why is my system detected as 120V (in EU)
Posted by
Dan Padure
,
over 2 years ago
Last Reply
by Jérémy Filhoulaud
24 days ago
See all 119 topics
OpenEVSE WiFi, RAPI and Communications
141
Totals not transfering or displaying correctly?
Posted by
Theo Abramovich
,
11 days ago
Last Reply
by Theo Abramovich
11 days ago
Load balancing Two Chargers
Posted by
Freddy Diaz
,
12 days ago
Last Reply
by Freddy Diaz
12 days ago
Modbus Support for Dynamic Load Management
Posted by
Chris Barth
,
14 days ago
Last Reply
by Chris Barth
14 days ago
See all 141 topics
Electric Vehicles
33
National Electric Code to require upstream GFCI
Posted by
Bryce Nesbitt
,
4 months ago
Last Reply
by Elliott Balsley
3 days ago
Low Amperage Charging - is it possible?
Posted by
Clive Kneebone
,
almost 7 years ago
Last Reply
by Elliott Balsley
6 days ago
Sheduled Charging
Posted by
Michelle Stoetzel
,
16 days ago
Last Reply
by OpenEVSE Support
6 days ago
See all 33 topics
International
11
Type 2 Extension
Posted by
Ken Gillett
,
3 months ago
Last Reply
by Ken Gillett
3 months ago
Mennekes Type 2 IEC 62196 connections
Posted by
Chris Beath
,
over 6 years ago
Last Reply
by OpenEVSE Support
5 months ago
is DC residual current protection required ?
Posted by
Aleš Kramžar
,
about 3 years ago
Last Reply
by Howard Lewis
over 2 years ago
See all 11 topics
Feature Requests
28
Turn off LCD Backlight when idle?
Posted by
David Johnson
,
over 7 years ago
Last Reply
by ty. lastrapes@gmail. com
about 1 month ago
Remote Temperature Sensor?
Posted by
Pir8radio
,
about 4 years ago
Last Reply
by Kim Wall
3 months ago
Please Integration with NJ State run EV charger program
Posted by
Agi Stan
,
3 months ago
Last Reply
by OpenEVSE Support
3 months ago
See all 28 topics
Tips and Tricks
23
hardwired input cable?
Posted by
Erich Hammer
,
over 1 year ago
Last Reply
by Nathan Hubbard
4 days ago
Use Solar to charge to 70% and then 100% from grid
Posted by
Tommy
,
about 2 years ago
Last Reply
by Charles Brennan
8 months ago
Resetting After Cutting Power
Posted by
Matt Percy
,
over 1 year ago
Last Reply
by OpenEVSE Support
over 1 year ago
See all 23 topics
Report a problem
103
Charger boot looping when Wi-Fi module plugged in
Posted by
Rob Reason
,
2 months ago
Last Reply
by Rob Reason
9 days ago
Unable to adjust amperage
Posted by
Jeremy Akers
,
11 months ago
Last Reply
by Pauljordan99
26 days ago
Wifi card without firmware
Posted by
Cyrilidevin
,
2 months ago
Last Reply
by Cyrilidevin
about 2 months ago
See all 103 topics