Quick answer: When a SolarEdge Home EV Charger "isn't syncing with solar," the cause is almost always one of four: (1) the charger and inverter aren't paired in the same site in the mySolarEdge app, (2) the energy meter configuration doesn't include export/import monitoring, (3) the charging mode is set to Fast/Max instead of Excess PV Only, or (4) firmware on either device is outdated. Work the list in order — most cases resolve in the app without hardware.
SolarEdge's pitch is elegant: your EV charger drinks your roof's surplus in real time instead of buying from the grid. When the sync works, the car charges on sunshine. When it doesn't, the charger silently behaves like any dumb box — and the app gives you frustratingly little guidance. This is the fix list, ordered by likelihood.
Fix 1 — Verify the devices are actually paired
- Both the inverter and EV charger must appear as devices under the same site in mySolarEdge (Settings → Devices).
- If the charger shows "standalone," it was commissioned before the inverter or under a different account — re-pairing requires the installer's commissioning app or a support session.
- After any re-pairing, power-cycle the charger at the breaker — pairing state refreshes on boot.
Fix 2 — Check the meter configuration
Excess-PV charging depends on knowing your home's net grid flow in real time. That requires a revenue-grade consumption/export meter correctly oriented in the site design. Symptoms of meter misconfiguration: charger runs at full draw while exporting, or charges at fixed low power regardless of surplus. Your installer verifies this in SetApp — ask specifically: "is the consumption meter point configured for export monitoring?"
Fix 3 — The charging mode is the usual culprit
| Mode | Behavior | Use when |
|---|---|---|
| Excess PV Only | Charges only from solar surplus, adjusting dynamically | Maximum bill savings |
| Min Energy + PV | Guarantees minimum current, tops up from surplus | Deadlines matter more than savings |
| Fast / Max | Full power always (grid + PV) | Looks like "not syncing" if you expected PV-only |
Most "not syncing" reports turn out to be Mode set to Fast — the charger works, it just isn't doing what you assumed.
Fix 4 — Firmware and connectivity
- Both inverter and charger update over the internet; a charger offline for weeks falls behind protocol changes.
- Weak garage Wi-Fi is chronic — the Ethernet option on supported models ends the dropout cycle.
- After updates, reboot both devices; sync state re-establishes on boot.
When to call support (and what to say)
If all four check out and surplus-charging still won't engage, request escalation with: site ID, charger serial, firmware versions on both devices, and a screenshot of the charging-mode setting. Support triages meter-configuration tickets dramatically faster with that package — and if the unit predates the current Home EV Charger generation, confirm your hardware version supports dynamic excess-PV at all (early units were fixed-power).
Freshness note: compiled August 25, 2026 from SolarEdge documentation and support patterns; firmware menus shift between versions. Related: panel lifespan guide, battery comparison.