The controller’s time is not trusted yet.
| At a glance | |
|---|---|
| Code | 521 |
| Shown as | Time Not Set |
| Severity | Warning |
| Category | 5xx — System / lifecycle |
| Clears | Automatically, when the time is set |
Common on a fresh start-up. It clears once the controller gets network time or the time is set by hand. Until then, Calendar programs do not fire and timed manual On is refused.
Keeps controlling; features that need a trusted time wait.
Connect the controller to WiFi for network time, or set it in Settings → Date & Time → Set Clock.