blinking-green-and-yellow on a Tigo Energy Tigo Cloud Connect Advanced + Tigo Access Point: PV-OFF mode activated manually via connected switch/relay - similar to rapid shutdown (string DC voltage ceases)
Short answer
On a Tigo Energy inverter, blinking-green-and-yellow means: PV-OFF mode activated manually via connected switch/relay - similar to rapid shutdown (string DC voltage ceases). The inverter keeps running with some functions stopped. An engineer is needed to fix the cause.
Reviewed 24 September 2026 · 1 source
What it means
The manual says: PV-OFF mode activated manually via connected switch/relay - similar to rapid shutdown (string DC voltage ceases).
Likely causes:
- PV-OFF mode activated manually via connected switch/relay - similar to rapid shutdown (string DC voltage ceases).
Is it safe?
| Does the inverter stop? | Partly |
|---|---|
| Severity | Warning |
| Engineer needed? | Yes |
The inverter keeps running with some functions stopped.
Resetting itself: unknown.
Manual reset: unknown.
What you can check
- Check whether the rapid-shutdown/PV-off switch has been operated; if unexpected contact installer.
What the engineer will check
- Reset PV-OFF initiator.
Who to ask for: PV monitoring / MLPE.
Certification: MCS PV installer; Tigo-trained installer; electrical work to BS 7671.
What you might notice
Sources
- Cloud Connect Advanced (CCA) - LED status information ↗ · Reviewed 24 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 24 September 2026