Our home gym and wellness room guide flagged a real gap and moved on: casting a workout class to a Frame TV doesn't hand off the way a game console does. Our gaming guide covers how ALLM (Auto Low Latency Mode) lets a console tell the TV “a game just started, switch to Game Mode” and, on the way out, how the TV's own idle timer or a standby-triggered Routine gets it back to Art Mode. Casting has no equivalent signal in either direction. AirPlay and Smart View just push a video stream to whatever input is selected — the TV never receives a “workout started” or “workout ended” event it could react to. If you want a Frame TV to reliably return to Art Mode after a casted class, you have to build the schedule yourself. This is the full walkthrough: trigger types, the two Routines that actually solve it, how to test a handoff when there is nothing for the TV to detect, six real failure points, and a grace-window pattern for sessions that run long.

Why time-of-day is the right trigger, not a device condition

SmartThings Routines are built on an if / then structure: an “if” condition (or several, which all must be true) triggers a “then” action. The condition categories available for the “if” side include:

The practical takeaway: since the TV can't see the cast starting or stopping, a fixed time-of-day condition is the only trigger type that doesn't depend on detecting something that never happens. If multiple household members work out at different, irregular times, see the presence-based override further down — but for a consistent schedule, time is the right primary trigger.

The two Routines you actually need

Build these as two separate Routines rather than one Routine with two actions on a timer — it makes testing and troubleshooting each half independently much easier.

Routine 1: “Workout Start”

1. Open the SmartThings app and tap Routines → + Add Routine
2. Under If, choose Based on the time of day and set your usual workout start time; tap into the day-of-week options so it only fires on the days you actually train
3. Under Then, add your Frame TV and set the action to switch to the input you cast to (or simply leave it — casting auto-switches input on most setups, so this step is mainly useful if you want the TV to wake from standby ahead of time)
4. Name it clearly (e.g. “Workout Start – Weekday AM”) and save

Routine 2: “Workout End — Return to Art Mode”

1. Add a second Routine, again triggered on Based on the time of day, set to your usual class length past the start time (e.g. start + 45 minutes for a standard class)
2. Add the action Switch to Art Mode
3. Add a second action restoring your baseline Color Tone, brightness, and active collection explicitly — don't assume Art Mode remembers the right state, since a manual input switch mid-cast (skipping ahead, checking a phone notification) can leave picture settings in an inconsistent place
4. Save and name it (e.g. “Workout End – Weekday AM”)

If your active-zone and recovery-zone Art Mode profiles differ — covered in the home gym and wellness room guide — point the “workout end” Routine at whichever profile matches the session you just ran, not a single generic default.

Testing the handoff when there's nothing to detect

A console-triggered Routine confirms itself — you see the TV switch the moment the console powers on. A time-based Routine gives no such feedback loop, so a wrong time or a silently disabled Routine can go unnoticed for weeks. Test it properly:

• Run an actual cast session at the scheduled start time and watch the TV directly, rather than trusting the Routine appears in the app's history log
• Check the SmartThings Routine's run history (tap into the Routine → the small clock/history icon) to confirm it fired at the expected time, not just that it's enabled
• Let the “workout end” Routine fire while you're still in the room, and confirm the TV lands on the correct collection and brightness — not just any Art Mode image
• Repeat the test on a day-of-week your schedule filter is supposed to exclude, and confirm it correctly does not fire

Six real failure points

1. Daylight saving and time zone drift. A time-of-day Routine tied to the hub's configured time zone can fire an hour off around a DST transition if the hub's location/time zone setting is stale — confirm it twice a year rather than assuming it self-corrects.
2. Sessions that run long. A fixed “start + 45 minutes” end time fires whether or not the class actually ended, cutting a workout that ran over back to Art Mode mid-session. The grace-window pattern below fixes this.
3. Weekend or holiday schedule mismatch. A Routine filtered to weekday mornings won't fire on a Saturday workout at the same time — build a second pair of Routines for a weekend schedule rather than trying to force one Routine to cover both.
4. Multiple household members on different schedules. Two people working out at different times need either multiple time-based Routine pairs or the presence-based override described next — a single fixed schedule only covers one person's habits.
5. A competing signal from the casting device itself. Some streaming devices or smart displays run their own automations (e.g. a Chromecast or Apple TV Home app routine) that can independently wake the TV or change input at an unexpected moment, conflicting with the SmartThings schedule — check other ecosystems' automations if the TV behaves inconsistently.
6. Cloud/Wi-Fi dependency. SmartThings Routines run through the cloud, not locally on the TV, so a brief internet or Wi-Fi outage at the scheduled time can silently skip a run — this is a known general reliability quirk of time-based SmartThings automations reported by users, not specific to Frame TV, so don't assume a missed Routine means a configuration mistake before checking connectivity.

Advanced: a grace-window Routine for sessions that run long

Instead of a single “workout end” instant, use the Period of time condition to define a window (e.g. 45–75 minutes after your typical start), and combine it with a simple manual trigger for the actual end:

• Create a virtual switch in the SmartThings app (Devices → + → Virtual Device → Switch), labeled something like “Workout Done”
• Add it to your smart home dashboard or a widget so it's one tap to trigger, no menu diving required right after a workout
• Build the “workout end” Routine's If condition as: this virtual switch turns on, and the current time falls within your Period of time window
• As a backstop, keep the fixed-time Routine from earlier at the outer edge of the window (e.g. +75 minutes) so the TV still returns to Art Mode even if nobody remembers to tap the switch

This gets you the reliability of a scheduled fallback with the accuracy of a manual signal for the common case — a genuinely useful middle ground given that casting will never produce the kind of automatic end-of-session signal ALLM gives a game console. If your household runs multiple Frame TVs, build this Routine pair per TV rather than assuming one Routine covers every screen — see our multiple Frame TVs in one SmartThings home guide for why Scenes, not Device Groups, are the right tool for controlling more than one at once.