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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
9
OpenEVSE has moved.
Posted by
OpenEVSE Support
,
about 4 years ago
Last Reply
by Karen Nakamura
about 4 years ago
New Product - Color LED v2 with temperature sensor
Posted by
OpenEVSE Support
,
almost 8 years ago
Last Reply
by OpenEVSE Support
over 4 years ago
Charging done Right! 54 - 80A Adaptive Charging Stations at Caltech
Posted by
OpenEVSE Support
,
over 7 years ago
Last Reply
by KAICHENG
almost 5 years ago
See all 9 topics
OpenEVSE Hardware
281
hardwiring with 6awg wire?
Posted by
Rick Wilson
,
over 4 years ago
Last Reply
by OpenEVSE Support
about 18 hours ago
No values reported while charging
Posted by
Darren David
,
20 days ago
Last Reply
by Darren David
15 days ago
ESP32 WiFi w/ external antenna
Posted by
Ewb000
,
19 days ago
Last Reply
by OpenEVSE Support
15 days ago
See all 281 topics
OpenEVSE Firmware
108
Firmware 8.2.3 and Waiting for Initialization...
Posted by
Allan Trason
,
2 months ago
Last Reply
by 007Bond
3 days ago
"Heartbeat failed"
Posted by
Tony Apuzzo
,
2 months ago
Last Reply
by Lars Iets
about 2 months ago
WiFi V4 - confusing.
Posted by
Peter Mack
,
4 months ago
Last Reply
by OpenEVSE Support
3 months ago
See all 108 topics
OpenEVSE WiFi, RAPI and Communications
127
EmonCMS error on data.openevse.com
Posted by
Jeremy Akers
,
about 1 month ago
Last Reply
by OpenEVSE Support
about 1 month ago
Unable to connect to Wi-Fi
Posted by
Gib Loudon
,
about 2 months ago
Last Reply
by OpenEVSE Support
about 2 months ago
WiFi (ESP32), UI port, and https
Posted by
Al Savage
,
over 1 year ago
Last Reply
by OpenEVSE Support
2 months ago
See all 127 topics
Electric Vehicles
29
Zoe compatibility?
Posted by
Ardenking21
,
10 days ago
Last Reply
by OpenEVSE Support
8 days ago
V2G? ( Veichle to Grid )
Posted by
Andrew Frazer
,
over 1 year ago
Last Reply
by Rick Denzien
9 months ago
Open EVSE compatibility with Tata Nexon EV
Posted by
Madan mohan Manokar
,
over 1 year ago
Last Reply
by Simon Hewison
11 months ago
See all 29 topics
International
10
is DC residual current protection required ?
Posted by
Aleš Kramžar
,
about 2 years ago
Last Reply
by Howard Lewis
over 1 year ago
24 Hour clock
Posted by
Kjetil Nysæter
,
about 2 years ago
Last Reply
by Kjetil Nysæter
about 2 years ago
Which Australian wall plug?
Posted by
Phillip Verschuer
,
over 7 years ago
Last Reply
by Phillip Verschuer
about 2 years ago
See all 10 topics
Feature Requests
25
Having two OpenEVSEs talk to one another re: chargning current?
Posted by
Theo Abramovich
,
over 1 year ago
Last Reply
by Theo Abramovich
8 minutes ago
OCPP Support
Posted by
Allan Miller
,
about 7 years ago
Last Reply
by OpenEVSE Support
3 months ago
OpenEVSE (Atmel AVR) OTA update
Posted by
Bo Snitkjær Nielsen
,
4 months ago
Last Reply
by OpenEVSE Support
3 months ago
See all 25 topics
Tips and Tricks
23
hardwired input cable?
Posted by
Erich Hammer
,
5 months ago
Last Reply
by Erich Hammer
4 months ago
Resetting After Cutting Power
Posted by
Matt Percy
,
6 months ago
Last Reply
by OpenEVSE Support
6 months ago
Remote start for Open EVSE
Posted by
Ganesh Prabhu M
,
8 months ago
Last Reply
by OpenEVSE Support
8 months ago
See all 23 topics
Report a problem
92
EVSE doesn't automatically start charging after removing start/stop timer
Posted by
Pat
,
over 1 year ago
Last Reply
by Eric Carlson
about 1 month ago
Is there a way to get a hold of openevse support?
Posted by
F M
,
3 months ago
Last Reply
by OpenEVSE Support
2 months ago
OpenEVSE Current Throttling
Posted by
Mark Espiritu
,
3 months ago
Last Reply
by OpenEVSE Support
3 months ago
See all 92 topics