This article describes possible causes when not all charge points are displayed in the reev Platform after connecting a charging group, and explains how to resolve the issue.
Prerequisites
The following prerequisites should be met before starting troubleshooting:
All charge points are physically installed and powered on.
The Controller (charge point with SBC) is connected to the reev Platform.
You have access to the manufacturer's installation manual.
What Is a Charging Group?
A charging group consists of one Controller and one or more Extenders. The Controller handles the central management of the group. Extenders are charge points without their own onboard computer (SBC) and are connected via the Controller.
This structure enables load management, smart charging features, and group control via the reev Platform.
Possible Causes for Missing Charge Points
The following causes can result in not all charge points being displayed under the Controller:
Incorrect configuration of the Controller or Extenders
Faulty or incomplete physical installation
Communication issues between devices (e.g. bus or network errors)
Incompatible firmware between Controller and Extenders
Note: This behaviour typically indicates a hardware or configuration issue with the charging station. Work through the steps below before contacting the manufacturer.
Troubleshooting
Step 1: Check the Group Configuration
Review the following points to rule out configuration errors:
Make sure that exactly one device in the group is configured as the Controller.
Check that all other charge points are correctly set up as Extenders.
Ensure that all devices use the same network protocol.
Tip: On some models, device IDs must be assigned manually – for example via DIP switches or in the device software. Check the manufacturer-specific settings in the installation manual.
Step 2: Check the Physical Installation
Review the following points on site:
Check that all Extenders are correctly wired and powered on.
Inspect all bus or network connections for secure fit and damage.
Restart the Controller to trigger a new device discovery.
Tip: Restarting the Controller can cause missing Extenders to be automatically detected again.
Step 3: Consult the Manufacturer's Installation Manual
Each manufacturer has specific requirements for installation and configuration. Check the following points:
Cable types and maximum cable lengths
Requirements for network and bus setup
Addressing and ID settings
Firmware compatibility between Controller and Extenders
Note: If the Controller and Extenders are running different firmware versions, communication may fail. Check the installation manual to find out which firmware combinations are compatible.
Step 4: Contact Manufacturer Support
If the issue persists after completing the steps above, contact the manufacturer's technical support. Have the following information ready:
Model name of the Controller and Extenders
Installed firmware version
Description of the issue and the steps already taken
The manufacturer can assist with firmware updates, diagnostic tools, or remote maintenance.
Frequently Asked Questions
How many Extenders can a Controller manage?
The maximum number of Extenders per Controller depends on the manufacturer and model. The exact number is specified in the respective manufacturer's installation manual.
Can I put the charging group into operation without all Extenders?
Yes, a charging group can be put into operation with only the Controller. Missing Extenders can be added later once correctly configured.
What does it mean if a charge point is still not displayed after a restart?
If an Extender is not detected after restarting the Controller, there is likely a communication or configuration issue. Check the wiring, device IDs, and firmware compatibility again. If the issue persists, contact manufacturer support.