solid-red on a Tigo Energy Tigo Cloud Connect Advanced + Tigo Access Point: CCA cannot connect to network or Tigo server (wrong password, firewall, weak signal) or cannot complete discovery (fewer TAPs than specified)
Short answer
On a Tigo Energy inverter, solid-red means: CCA cannot connect to network or Tigo server (wrong password, firewall, weak signal) or cannot complete discovery (fewer TAPs than specified). 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: CCA cannot connect to network or Tigo server (wrong password, firewall, weak signal) or cannot complete discovery (fewer TAPs than specified).
Likely causes:
- CCA cannot connect to network or Tigo server (wrong password, firewall, weak signal) or cannot complete discovery (fewer TAPs than specified).
Is it safe?
| Does the inverter stop? | Partly |
|---|---|
| Severity | Fault — needs a manual reset once the cause is fixed |
| Engineer needed? | Yes |
The inverter keeps running with some functions stopped.
Resetting itself: unknown.
Manual reset: unknown.
What you can check
- Check router and Wi-Fi password unchanged.
- Contact installer.
What the engineer will check
- Network test, CCA-TAP test, TAP wiring.
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