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9107SMA Solar Technology AG

9107 on a SMA Solar Technology AG inverter: The cause must be determined by the Service

Short answer

On a SMA Solar Technology AG inverter, 9107 means: The cause must be determined by the Service. The manual does not say whether the inverter stops. An engineer is needed to fix the cause.

Reviewed 24 September 2026 · 2 sources

What it means

On the Sunny Boy Smart Energy

The manual says: The cause must be determined by the Service.

Part involved: inverter electronics (self-diagnosis).

When it shows: The cause must be determined by the Service.

Likely causes:

  • SMA corrective measures: Contact Service. =====PAGE 101=====.

On the Sunny Tripower (STP 3.0-6.0 / 8.0-10.0)

The manual says: The cause must be determined by the Service.

Part involved: inverter electronics (self-diagnosis).

When it shows: The cause must be determined by the Service.

Likely causes:

  • SMA corrective measures: Contact Service.

Is it safe?

Does the inverter stop?Not stated
Engineer needed?Yes

The manual does not say whether the inverter stops.

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

A code explains what the controller detected, not a confirmed root cause.

Reviewed: 24 September 2026