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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
1
Join a WiFi network
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
9
OpenEVSE has moved.
Posted by
OpenEVSE Support
,
over 3 years ago
Last Reply
by Karen Nakamura
over 3 years ago
New Product - Color LED v2 with temperature sensor
Posted by
OpenEVSE Support
,
about 7 years ago
Last Reply
by OpenEVSE Support
over 3 years ago
Charging done Right! 54 - 80A Adaptive Charging Stations at Caltech
Posted by
OpenEVSE Support
,
almost 7 years ago
Last Reply
by KAICHENG
about 4 years ago
See all 9 topics
OpenEVSE Hardware
251
First openEVSE build questions
Posted by
Kjell Verbeke
,
20 minutes ago
Last Reply
by Kjell Verbeke
20 minutes ago
Relay clicks in and out and will not start charging
Posted by
Chris Coleman
,
12 days ago
Last Reply
by OpenEVSE Support
6 days ago
Upgrading my older charge controller
Posted by
Mark Claussen
,
12 days ago
Last Reply
by OpenEVSE Support
6 days ago
See all 251 topics
OpenEVSE Firmware
102
Firmware to use for OpenEVSE Plus v4 hardware
Posted by
Kevin L
,
6 days ago
Last Reply
by Kevin L
5 days ago
firmware upgrade
Posted by
Javier Mitchell
,
9 months ago
Last Reply
by Manu Transtorni
about 1 month ago
OpenEVSE on ATMEGA644A
Posted by
Edson
,
2 months ago
Last Reply
by Edson
2 months ago
See all 102 topics
OpenEVSE WiFi, RAPI and Communications
108
Solar PV Divert and Minimum Export
Posted by
Kevin L
,
5 days ago
Last Reply
by Kevin L
4 days ago
JSON format in MQTT?
Posted by
Kevin L
,
5 days ago
Last Reply
by Kevin L
5 days ago
Solar PV Divert and Schedule
Posted by
Brett McGlone
,
20 days ago
Last Reply
by Brett McGlone
15 days ago
See all 108 topics
Electric Vehicles
28
Open EVSE compatibility with Tata Nexon EV
Posted by
Madan mohan Manokar
,
8 months ago
Last Reply
by Simon Hewison
21 days ago
Nissan Leaf 24kWh - occasionally Connected but drawing nothing
Posted by
Matthew Bloch
,
about 1 month ago
Last Reply
by Matthew Bloch
about 1 month ago
OBC charger AC current limit
Posted by
Stuart Graham
,
2 months ago
Last Reply
by OpenEVSE Support
2 months ago
See all 28 topics
International
10
is DC residual current protection required ?
Posted by
Aleš Kramžar
,
over 1 year ago
Last Reply
by Howard Lewis
5 months ago
24 Hour clock
Posted by
Kjetil Nysæter
,
over 1 year ago
Last Reply
by Kjetil Nysæter
over 1 year ago
Which Australian wall plug?
Posted by
Phillip Verschuer
,
over 6 years ago
Last Reply
by Phillip Verschuer
over 1 year ago
See all 10 topics
Feature Requests
21
Having two OpenEVSEs talk to one another re: chargning current?
Posted by
Theo Abramovich
,
8 months ago
Last Reply
by OpenEVSE Support
about 1 month ago
Limiting Charging Current Dynamically not to Exceed Service Entrance Limits
Posted by
Neil MacLean
,
3 months ago
Last Reply
by OpenEVSE Support
3 months ago
EV to Home, Bi-Directional Charging
Posted by
Andrew
,
8 months ago
Last Reply
by Andrew
8 months ago
See all 21 topics
Tips and Tricks
20
Use Solar to charge to 70% and then 100% from grid
Posted by
Tommy
,
about 1 month ago
Last Reply
by Tommy
about 1 month ago
Has anyone used the OpenEVSE hardware in a condominium garage ?
Posted by
YH Cho
,
5 months ago
Last Reply
by YH Cho
5 months ago
CSS vehicle simulator or "man in the middle" for Electrify America (EA)
Posted by
Al Essa
,
almost 3 years ago
Last Reply
by Simon Hewison
7 months ago
See all 20 topics
Report a problem
80
New kit problems
Posted by
Chris Jackson
,
12 days ago
Last Reply
by Chris Jackson
5 days ago
Problems Contacting OpenEVSE
Posted by
Matt Percy
,
9 days ago
Last Reply
by Matt Percy
5 days ago
Measured current not correct
Posted by
Rick van Oosterhout
,
over 1 year ago
Last Reply
by OpenEVSE Support
3 months ago
See all 80 topics