RTS: Ghost Signal Troubleshooting

Troubleshooting Guide: RTS Motors Receiving Ghost Signals

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Quick Troubleshooting

Symptom: Motor Moves Without User Command ("Ghost Signals")

Possible Causes

• Interference from nearby devices operating on 433 MHz frequency (e.g., car remotes, baby monitors, other wireless systems).

• Nearby RTS motors sharing the same address or programmed channel.

• Noise or voltage spikes on the power line triggering the receiver.

• A nearby remote or controller stuck or malfunctioning.

• Third-party automation systems (e.g., home automation hubs, smart control panels) triggering unintended schedules or events.

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Step-by-Step Resolution

1. Power Cycle the Motor

• Disconnect power to the motor for 30 seconds.

• Reconnect and observe if ghost signals persist.

2. Clear Programming

• Perform a full reset:

  • See specific motors reset procedure

3. Reprogram with Secure Channels

• Reprogram using a single trusted remote.

• Avoid using old or damaged remotes.

4. Isolate External Interference

• Identify and relocate devices operating near 433 MHz.

• Temporarily disable other RF devices nearby to check if interference stops.

5. Use an RF Scanner for Diagnosis

• Utilize an RF scanner to detect unknown or suspicious RF activity around 433 MHz.

• Monitor spikes or abnormal traffic that could trigger ghost signals.

• Identify and isolate sources such as unauthorized transmitters, faulty remotes, or nearby RF-heavy equipment.

6. Check Third-Party Systems and Automations

• Audit connected home automation systems (e.g., smart hubs, timers, cloud services).

• Review and disable any schedules, scenes, or automation events related to window coverings.

• Confirm that no overlapping events or random triggers are affecting RTS motors.

7. Strengthen Signal Control

• Use official Somfy RTS repeaters if necessary to filter and strengthen desired signals.

• Avoid physical obstacles or reflective surfaces around the motor.

8. Inspect Remote and System

• Ensure no buttons are stuck.

• Remove battery from remotes not in active use.

• Check for corrosion or water damage in remote transmitters.

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Additional Tips

• Keep a minimal number of active remotes programmed per motor.

• Record the programming sequence for future reference.

• Regularly audit third-party automation schedules.

• Consult a Somfy-certified technician if ghost signals continue after troubleshooting.

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