7001 on a SMA Solar Technology AG Sunny Boy: A temperature sensor in the inverter is defective and the inverter interrupts the feed-in operation. The cause must be determined by the Service
Short answer
On a SMA Solar Technology AG inverter, 7001 means: A temperature sensor in the inverter is defective and the inverter interrupts the feed-in operation. The cause must be determined by the Service. The inverter stops until the fault clears or is reset. An engineer is needed to fix the cause.
Reviewed 24 September 2026 · 1 source
What it means
The manual says: A temperature sensor in the inverter is defective and the inverter interrupts the feed-in operation. The cause must be determined by the Service.
Part involved: inverter electronics (self-diagnosis).
When it shows: A temperature sensor in the inverter is defective and the inverter interrupts the feed-in operation. The cause must be determined by the Service.
Likely causes:
- SMA corrective measures: Contact Service.
Is it safe?
| Does the inverter stop? | Yes |
|---|---|
| Engineer needed? | Yes |
The inverter stops until the fault clears or is reset.
Resetting itself: unknown.
Manual reset: See engineer checks.
What you can check
- Read the event number and message in the SMA Energy app / Sunny Portal (ennexOS) or the inverter's web interface and note the date/time for your installer. A red LED on the inverter means an event has occurred.
- SMA states the cause must be determined by SMA Service - contact your installer.
What the engineer will check
- Contact SMA Service; retrieve event log and device diagnostics.
Who to ask for: PV installer / SMA Service.
Certification: Qualified electrician (BS 7671; MCS-certified PV installer for work on the PV array/DC side).
What you might notice
Sources
- Operating manual SUNNY BOY 3.0/3.6/4.0/5.0/6.0 ↗ · SBxx-1AV-41-BE-en-21 Version 2.1 · page 100 · Reviewed 24 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 24 September 2026