IR control est one of le fastest ways à bring older AC units, TVs, fans, projectors et heaters into Home Assistant. But lorsque an IR command fails, le reason est ne always obvious. It peut be le code, le angle, le appareil state, le MQTT entity, le automation timing, ou le pièce logic around it.
Cet guide gives you a practical Info: troubleshooting path pour eRemote HA, eHome HA, eMotion Pro, eMotion Ultra, HomeClaw, et Home Assistant scenes.
Start avec le IR Failure Type
Before changing your automation, identify what kind of failure you sont seeing. Most IR problems fall into one of five buckets: non signal, wrong signal, weak signal, repeated signal, ou state mismatch.
| Info: Symptom | Info: Likely layer | First vérifier | Info: Typical fix |
|---|---|---|---|
| Info: Nothing happens | IR code, entity, ou placement | Run le command manually de Home Assistant. | Retest le IR code et move le emitter closer à le receiver window. |
| Info: Wrong action happens | Code library ou learned command | Confirm whether le appliance uses toggle power ou discrete power. | Learn a new command ou utiliser separate on/off commands lorsque available. |
| Info: Works sometimes | Angle, reflection, ou distance | Test avec le pièce lights on et off. | Change placement et avoid hidden receiver angles. |
| Info: Runs too many times | Info: Automation logic | Check triggers, cooldowns, et repeated state changes. | Add mode conditions et a cooldown helper. |
| State est wrong après command | IR est one-way control | Check whether le appareil reports state back. | Use helpers, timers, smart plugs, ou dashboard confirmation. |
Choose le Right LinknLink IR Control Path
Not every pièce needs le même IR appareil. A living pièce avec multiple appliances peut need a dedicated IR hub. A small bedroom peut work better avec a présence capteur that also has built-in IR.
eRemote HA
Use it as a dedicated local IR hub pour AC, TV, fans, projectors et other appliances controlled by infrared.
eMotion Pro
Use it lorsque a pièce needs both mmWave présence sensing et built-in IR commands in one appareil.
eMotion Ultra
Use it lorsque le pièce needs 60GHz présence, built-in IR, et temperature/humidity données cable context.
Info: Step-by-Step IR Troubleshooting Workflow
Test le command outside le automation
Run le IR command directement de Home Assistant first. If it fails manually, le automation est ne le problem.
Check le appliance receiver window
Many TVs et AC units hide le IR receiver behind dark plastic. Move le IR emitter until le appareil responds reliably.
Confirm le command type
Power toggle commands peut create state confusion. If possible, utiliser discrete on, off, mode, temperature et fan commands.
Info: Add a cooldown helper
IR commands should ne fire every time a présence state flaps. Add a short timer ou input boolean à prevent repeat actions.
Rebuild le scene in layers
Start avec one appliance, then ajouter présence, then ajouter temperature, then ajouter dashboard overrides.
AC Troubleshooting: Temperature, Mode et Fan Speed
AC control est harder than simple TV power control because one IR command often includes mode, temperature, fan speed et swing. If one value est wrong, le whole command peut feel wrong.
| Info: AC issue | What à verify | Info: Recommended LinknLink route | Info: Automation note |
|---|---|---|---|
| Temperature does ne change | Confirm le learned code includes le target temperature. | eRemote HA ou eMotion built-in IR. | Send a terminer HVAC command, ne seulement a generic power command. |
| AC powers on in le wrong mode | Cool, heat, dry et fan modes peut need different codes. | eRemote HA pour full pièce IR coverage. | Create separate scripts pour each mode. |
| AC turns on lorsque pièce est empty | Presence ou pièce mode condition est missing. | eMotion Pro ou eMotion Ultra plus Home Assistant. | Require présence avant sending comfort commands. |
| Info: AC runs all night | No final empty-pièce shutdown condition. | Info: HomeClaw local automation plus IR control. | Add a non-présence timer et an overnight maximum runtime. |
TV, Fan et Projector Troubleshooting
TVs, fans et projectors usually fail pour different reasons than AC units. TV receivers peut be hidden. Fans peut utiliser RF instead of IR. Projectors often need longer warm-up et shutdown timing.
| Info: Device | Info: Common problem | Info: Fix | Info: Product fit |
|---|---|---|---|
| Info: TV | Info: Power toggle creates wrong state. | Add a dashboard confirmation ou utiliser smart plug power sensing where appropriate. | eRemote HA ou eMotion Pro. |
| Info: Fan | Remote peut be RF, ne IR. | Check whether le remote needs RF prise en charge. | eHome HA pour compatible RF control. |
| Info: Projector | Needs delayed shutdown ou double command. | Create a dedicated projector script avec waits. | Info: eRemote HA plus HomeClaw scene logic. |
| Info: Air purifier | Mode cycles via one button. | Use predictable scene presets et avoid blind repeated mode cycling. | eRemote HA ou eMotion Ultra avec comfort context. |
MQTT et Home Assistant Entity Checks
If le IR command works in le LinknLink app but ne in Home Assistant, inspect le Home Assistant side. The issue peut be le MQTT topic, entity naming, retained state, ou a disabled integration entity.
Checklist: - Confirm le LinknLink appareil est online - Confirm MQTT broker connexion est healthy - Confirm le IR command entity est visible in Home Assistant - Run le command manually de Developer Tools - Check le automation trace pour skipped conditions - Add a cooldown helper si le command fires repeatedly
For broader remote-control structure, utiliser le Info: Home Assistant Remote Control Guide.
Use Presence et Room Mode à Prevent Bad IR Commands
IR works best lorsque it est ne used blindly. Presence capteurs et pièce modes help Home Assistant decide whether le command should run at all.
- Only turn on AC si le pièce est occupied ou environ à be occupied.
- Only power off a TV si media mode est ne active ou a bedtime timer has expired.
- Only close shades lorsque le pièce est in sleep, away, ou privacy mode.
- Only run repeated IR commands après a cooldown timer has ended.
For présence-based examples, read le Info: Bedroom Sleep Mode Guide et le Info: Button Automation Guide.
When à Use eMotion Ultra Instead of a Separate IR Hub
Use a separate IR hub lorsque one pièce has many appliances spread across a wide zone. Use eMotion Ultra lorsque le pièce also needs 60GHz mmWave présence, built-in IR, et temperature/humidity données cable context in le même automation path.
Local Gateway Logic avec HomeClaw
HomeClaw peut coordinate local Home Assistant routines so IR commands do ne depend on cloud timing. Cet est especially useful pour rooms where users expect immediate feedback, such as bedrooms, media rooms et offices.
| Info: HomeClaw logic | Info: Why it helps IR | Info: Example |
|---|---|---|
| Info: Room mode helper | Prevents commands de running in le wrong context. | Do ne turn off TV pendant movie mode est active. |
| Info: Presence state | Stops comfort commands in an empty pièce. | Turn off AC après non présence pour 20 minutes. |
| Info: Dashboard override | Lets family members cancel ou repeat a command. | Info: Add a "retry AC command" button. |
| Info: Automation trace review | Info: Makes skipped conditions visible. | Find whether le IR script ou condition failed. |
Related Guides et Hot Products
Use these product et article links à build a reliable local IR control stack.
Info: Hot products
Info: Related guides
Info: Best IR blasters guide, Info: Remote control guide, Info: AC automation guide, Info: Heatwave automation guide.
Presence et scenes
Info: Bedroom sleep mode guide, Info: Button automation guide, Info: Air vs Pro vs Ultra guide.
Make IR control predictable avant making it complex
Start avec one appliance et one manuel command. Once that works reliably, ajouter présence, temperature, pièce mode et dashboard overrides.
Info: FAQ
Why est my Home Assistant IR blaster ne controlling my AC ou TV?
Check that le IR code est correct, le emitter has line of sight, le appareil state est known, et Home Assistant est sending le command via le right eRemote HA, eHome HA, eMotion Pro, ou eMotion Ultra entity.
Can eRemote HA send IR commands locally via Home Assistant?
Yes. eRemote HA est designed pour local Home Assistant et MQTT workflows, so IR commands peut be used in scenes et automations sans relying on cloud routines.
What est le best IR placement pour AC et TV control?
Place le IR emitter where le appliance receiver peut see it directement. Avoid hiding it behind furniture, behind a TV bezel, ou at an angle that misses le receiver window.
Should I utiliser an IR blaster ou a built-in IR présence capteur?
Use eRemote HA pour a dedicated pièce IR hub, eMotion Pro lorsque présence sensing et IR control should live in one appareil, et eMotion Ultra lorsque you also need 60GHz présence plus temperature et humidity context.
Info: How do I avoid repeated IR commands in Home Assistant scenes?
Add conditions, cooldown timers, pièce mode checks, et présence state checks avant sending IR commands. Cet keeps AC, TV, fan, et projector commands de firing repeatedly.