The Sync Box gets its clock from the Hue app and network, and wrong times matter mainly for schedules or logs on connected platforms. Check the home location and time zone in the Hue app and reconnect the box to wifi. For a wrong status, such as showing offline when it is working or showing the wrong source, refresh the app, restart the box by unplugging it for ten seconds and check the HDMI chain. Independent guides say the box can switch inputs randomly if CEC interacts with the TV, which looks like a wrong source status; turn CEC off temporarily.
A source shown as active that has no signal points at the HDMI chain or the source's own output mode. After a power cut the box needs a minute to reconnect and may show stale status.
The checks in more detail
If the LED and the app disagree, restart the box and check firmware. If the time on a connected platform is wrong, fix it there. If status stays wrong after a restart, reset the box and set it up again. Contact Hue support with a screenshot showing the status and the HDMI chain. Photograph the app next to the TV screen so any mismatch is clear. A status that flips is a connection problem. Contact support with a screenshot. Ask someone to change the source while you watch the app, since a lag between the change and the status shows a connection problem and not a wrong status.
The box can show an active source that is actually asleep, so wake the source with its own remote before deciding the box has a wrong status.
Differential
Likely causes of “Hue Play HDMI sync box 8K shows the wrong time, state or sensor reading”, and how to tell them apart
- 1
CEC interaction
What separates it The wrong source is shown because CEC interactions change the input without you asking
How to confirm Turn CEC off to test, and see whether the source display becomes correct
- 2
A stale app view
What separates it The app shows a wrong status because its view is old and has not refreshed
How to confirm Refresh the app and restart the box by unplugging it for ten seconds
- 3
A power cut
What separates it The status looks stale right after a power cut because devices have not reconnected
How to confirm Wait a minute for the box and the TV to restart before you judge the status
- 4
A wrong location or time zone
What separates it Times look wrong on schedules because the location or the time zone is wrong
How to confirm Correct the location and time zone in the Hue app so the times follow your area
- 5
A source's output mode
What separates it The source shows as active but there is no signal because its output mode is not supported
How to confirm Set a supported resolution and output mode on the source, then check the picture returns
Before you touch a setting
Record this first — changing settings destroys the evidence
- The status the app shows and what is really happening
- How the HDMI chain is connected
- A screenshot of the wrong status
Try in this order
0 of 7 completedRefresh the app
ReversibleRefresh the app and check the status, since an old view can show a state that has already changed.
Restart the box
ReversibleRestart the box by unplugging its power for ten seconds and plugging it back in, which keeps its settings.
Turn CEC off
ReversibleTurn CEC off to test, since CEC can change the input or the power state without you pressing anything.
Check the source's output mode
ReversibleCheck the source's output mode and pick a supported resolution, because an unsupported mode gives no signal.
Correct the location
ReversibleCorrect the location and the time zone in the Hue app, so that schedules and logs show the right times.
Wait after a power cut
ReversibleWait a minute after a power cut before deciding the box is at fault, since everything needs time to restart.
Contact Hue
ReversibleContact Hue with a screenshot if the status stays wrong, so that support can see what the app shows.
Model-specific
What is true of this model and not of its siblings
- Status
- Can be stale after outages.
- CEC
- Can change the input on its own.
Stop boundary
When this stops being a self-service repair
- !If status stays wrong after a reset, contact Philips Hue support
- !If inputs switch on their own, check CEC
- !If a source has no signal, check its output mode
Evidence ledger
Sources behind this answer
Ports, formats, warranty and specifications.
Sync fixes.
Sync problems.
HDCP, cables and Enhanced format.
The company and its products.
Exact questions
Common questions
Why does it show the wrong source?+
The wrong source can show because of CEC or a stale view in the app, so turn CEC off to test.
Can a source show active but no signal?+
Yes, a source can show as active but give no signal when its output mode is not supported.
Should I restart the box?+
Yes, restart the box when the status looks wrong, since that clears many stuck states.
Does the location matter?+
The location matters for schedules, because time based automations use it to decide when to run.