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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 2 years ago
Last Reply
by Karen Nakamura
over 2 years ago
New Product - Color LED v2 with temperature sensor
Posted by
OpenEVSE Support
,
over 6 years ago
Last Reply
by OpenEVSE Support
almost 3 years ago
Charging done Right! 54 - 80A Adaptive Charging Stations at Caltech
Posted by
OpenEVSE Support
,
over 6 years ago
Last Reply
by KAICHENG
over 3 years ago
See all 9 topics
OpenEVSE Hardware
230
OpenEVSE (Europe->Ireland) Earthing (DC leakage/RCD/O-PEN)
Posted by
Derek C
,
5 months ago
Last Reply
by Antonio G
3 days ago
OpenEVSE 48 Amp and NEMA 14-60R receptacle - NEC Code
Posted by
Theo Abramovich
,
30 days ago
Last Reply
by GW
9 days ago
Faulty charger - Replace the components with OpenEVSE?
Posted by
Kevin Peters
,
17 days ago
Last Reply
by Kevin Peters
17 days ago
See all 230 topics
OpenEVSE Firmware
94
firmware upgrade
Posted by
Javier Mitchell
,
about 1 month ago
Last Reply
by Javier Mitchell
3 days ago
Clock backup battery not keeping the time
Posted by
asaf hacohen
,
about 1 month ago
Last Reply
by asaf hacohen
about 1 month ago
Firmware Update files April 2022
Posted by
asaf hacohen
,
2 months ago
Last Reply
by Al Savage
about 1 month ago
See all 94 topics
OpenEVSE WiFi, RAPI and Communications
99
Wifi connection degraded over time
Posted by
Spear
,
about 23 hours ago
Last Reply
by Spear
about 23 hours ago
Clear LED Screen without connection reset
Posted by
Alex Palomino
,
18 days ago
Last Reply
by OpenEVSE Support
12 days ago
ESP32_WiFi_V4.x compile failed missing <Arduino.h>
Posted by
György Szabó
,
26 days ago
Last Reply
by György Szabó
26 days ago
See all 99 topics
Electric Vehicles
22
Charge rates less than 6A ( for use with off grid solar )...
Posted by
Andrew Frazer
,
6 minutes ago
Last Reply
by Andrew Frazer
6 minutes ago
Open EVSE compatibility with Tata Nexon EV
Posted by
Madan mohan Manokar
,
about 1 month ago
Last Reply
by Madan mohan Manokar
about 1 month ago
NO Pilot Signal
Posted by
Maral Tgs
,
4 months ago
Last Reply
by OpenEVSE Support
4 months ago
See all 22 topics
International
10
is DC residual current protection required ?
Posted by
Aleš Kramžar
,
8 months ago
Last Reply
by Bert Algoet
1 day ago
24 Hour clock
Posted by
Kjetil Nysæter
,
9 months ago
Last Reply
by Kjetil Nysæter
9 months ago
Which Australian wall plug?
Posted by
Phillip Verschuer
,
about 6 years ago
Last Reply
by Phillip Verschuer
9 months ago
See all 10 topics
Feature Requests
20
EV to Home, Bi-Directional Charging
Posted by
Andrew
,
about 1 month ago
Last Reply
by Andrew
about 1 month ago
Having two OpenEVSEs talk to one another re: chargning current?
Posted by
Theo Abramovich
,
about 1 month ago
Last Reply
by Theo Abramovich
about 1 month ago
Dielectric Mounting Board
Posted by
Chris Bracey
,
10 months ago
Last Reply
by OpenEVSE Support
10 months ago
See all 20 topics
Tips and Tricks
18
CSS vehicle simulator or "man in the middle" for Electrify America (EA)
Posted by
Al Essa
,
over 2 years ago
Last Reply
by Simon Hewison
3 days ago
PSA: another reason not to make vent holes
Posted by
Milo Oien-Rochat
,
11 months ago
Last Reply
by Milo Oien-Rochat
11 months ago
Smart extension to a dumb charger
Posted by
Guido De Sanctis
,
over 1 year ago
Last Reply
by Guilherme Favato
over 1 year ago
See all 18 topics
Report a problem
76
EVSE doesn't automatically start charging after removing start/stop timer
Posted by
Pat
,
10 days ago
Last Reply
by Pat
4 days ago
GFCI Self Test Failed
Posted by
Jean-Luc Ingrassia
,
16 days ago
Last Reply
by Jean-Luc Ingrassia
16 days ago
EVSE Won't Charge, Sometimes Reports Errors.
Posted by
Dave Goulet
,
17 days ago
Last Reply
by Dave Goulet
17 days ago
See all 76 topics