- EV charging
- EV charger
107
Wallbox 107: the charger could not lock the EV connector correctly, possibly because it was not fully inserted
Risk level
Medium
Proceed carefully and stop if the check is unclear.
Urgency
Medium
Quick answer
107 means the charger could not lock the EV connector correctly, possibly because it was not fully inserted in the cited charger family. The deciding observation is whether the LEDs change from white after the cable is seated vehicle-first and then fully into the charger. Do not infer a failed part from the code alone.
Safety first
Stop and check this first
- Do not force, twist repeatedly or use a wet, damaged, scorched or deformed plug or cable. Stop charging if the connector cannot be released normally.
Safe checks you can perform
- Capture the exact charger, vehicle and pattern
- Run the one deciding check
- Use recurrence as the stop point
Leave these tasks to a qualified professional
- Do not attempt this professional task: Measured handoff for 107
What a technician must be able to justify
A technician is coming
These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.
These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.
Measured handoff for 107
What they doInspect plug/socket geometry and lock actuation, then test the lock sensor and actuator before replacing the cable, socket or charger.
Before accepting a part or repair
Nothing has been shown yet. Do not accept a part swap based on the code alone.
Checks and evidence, step by step
Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.
- 1
Capture the exact charger, vehicle and pattern
No special tools
Procedure
Photograph 107 and record the Wallbox model, part/serial number, vehicle model, cable used, charge stage and approximate time. Do not clear the event before those facts are saved.
Do not force, twist repeatedly or use a wet, damaged, scorched or deformed plug or cable. Stop charging if the connector cannot be released normally.
Evidence: Understanding Wallbox app Error Codes and How to Resolve Them
- 2
Run the one deciding check
No special tools
Procedure
With charging stopped, connect the cable to the vehicle first, then seat it fully in the charger and observe the documented LED change. Use the app unlock; never force a damaged plug. Record whether the LEDs change from white after the cable is seated vehicle-first and then fully into the charger. Change one condition only.
Do not force, twist repeatedly or use a wet, damaged, scorched or deformed plug or cable. Stop charging if the connector cannot be released normally.
Evidence: Understanding Wallbox app Error Codes and How to Resolve Them
- 3
Use recurrence as the stop point
No special tools
Procedure
A normal LED transition and released lock support incomplete seating or a temporary lock state; no lock replacement is justified. If 107 remains with the cable fully seated, stop manipulating the connector; repeated twisting can damage the plug or locking mechanism.
Do not force, twist repeatedly or use a wet, damaged, scorched or deformed plug or cable. Stop charging if the connector cannot be released normally.
Evidence: Understanding Wallbox app Error Codes and How to Resolve Them
Where this code applies
A code is meaningful only inside the right product and version context.
Primary scope
- System
- EV charging
- Brand
- Wallbox
- Product type
- EV charger
Known code variants
- cargador Wallbox 107
- caricatore Wallbox 107
- chargeur Wallbox 107
- code Wallbox 107
- codice Wallbox 107
- código Wallbox 107
- erreur Wallbox 107
- error Wallbox 107
- errore Wallbox 107
- événement Fronius 107
- evento Fronius 107
- Fronius Ereignis 107
- Fronius event 107
- Fronius inverter 107
- Fronius Symo / Eco 107
- Fronius Wechselrichter 107
- inversor Fronius 107
- inverter Fronius 107
- onduleur Fronius 107
- Wallbox app code 107
- Wallbox charger 107
- Wallbox error 107
- Wallbox Fehler 107
- Wallbox Fehlercode 107
- Wallbox Ladegerät 107
What it means
Wallbox’s official documentation defines 107 as the charger could not lock the EV connector correctly, possibly because it was not fully inserted. That is the protection or controller state, not a universal component diagnosis. A normal LED transition and released lock support incomplete seating or a temporary lock state; no lock replacement is justified. If 107 remains with the cable fully seated, stop manipulating the connector; repeated twisting can damage the plug or locking mechanism.
Warnings and stop conditions
- Mediumsource verified
Do not force, twist repeatedly or use a wet, damaged, scorched or deformed plug or cable. Stop charging if the connector cannot be released normally.
Evidence: Understanding Wallbox app Error Codes and How to Resolve Them
Symptoms and causes
Probable causes · in order
- What the manufacturer code establishesConfirmed
Wallbox documents 107 as a state in which the charger could not lock the EV connector correctly, possibly because it was not fully inserted. Keep this meaning scoped to the cited charger family and exact light/code pattern.
Evidence: Understanding Wallbox app Error Codes and How to Resolve Them
- What the result changes — and what it does not provePossible
A normal LED transition and released lock support incomplete seating or a temporary lock state; no lock replacement is justified. If 107 remains with the cable fully seated, stop manipulating the connector; repeated twisting can damage the plug or locking mechanism.
Evidence: Understanding Wallbox app Error Codes and How to Resolve Them
Virtual technician
Does 107 still appear after these checks?
Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.
Sources and technical references
- 1
Understanding Wallbox app Error Codes and How to Resolve Them
Wallbox · 2025 · official_doc
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