Solar · Error codes · Tigo Energy
dark-or-unlit-ledTigo Energy · Tigo Cloud Connect Advanced (CCA) + Tigo Access Point (TAP)
dark-or-unlit-led on a Tigo Energy Tigo Cloud Connect Advanced + Tigo Access Point: System in rapid shutdown / no 12 V power to CCA
Short answer
On a Tigo Energy inverter, dark-or-unlit-led means: System in rapid shutdown / no 12 V power to CCA. 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: System in rapid shutdown / no 12 V power to CCA.
Likely causes:
- System in rapid shutdown / no 12 V power to CCA.
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 the AC breaker feeding the CCA power supply/outlet is on.
What the engineer will check
- Measure 12-24 V DC at CCA; de-power, clean wiring and reconnect; replace if no LED.
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