Solar · Error codes · Tigo Energy
flashing-yellowTigo Energy · Tigo Cloud Connect Advanced (CCA) + Tigo Access Point (TAP)
flashing-yellow on a Tigo Energy Tigo Cloud Connect Advanced + Tigo Access Point: Discovery in progress (detecting TAPs, configuring optimiser radio); also during optimiser replacement
Short answer
On a Tigo Energy inverter, flashing-yellow means: Discovery in progress (detecting TAPs, configuring optimiser radio); also during optimiser replacement. The inverter keeps running.
Reviewed 24 September 2026 · 1 source
What it means
The manual says: Discovery in progress (detecting TAPs, configuring optimiser radio); also during optimiser replacement.
Likely causes:
- Discovery in progress (detecting TAPs, configuring optimiser radio); also during optimiser replacement.
Is it safe?
| Does the inverter stop? | No |
|---|---|
| Severity | Information only |
| Engineer needed? | No |
The inverter keeps running.
Resetting itself: unknown.
Manual reset: unknown.
What you can check
- Wait for discovery to finish.
What the engineer will check
Who to ask for: PV monitoring / MLPE.
Certification: MCS PV installer; Tigo-trained installer; electrical work to BS 7671.
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