FGK-104 - Door/window sensor Fibaro - Free user manual and instructions
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| Product Type | Door/Window Sensor |
| Model | FGK-104 |
| Brand | Fibaro |
| Dimensions (Sensor) | 28 x 18 x 8 mm |
| Dimensions (Magnet) | 28 x 12 x 8 mm |
| Weight | 12 g (including battery) |
| Power Source | 1x CR123A 3V battery |
| Battery Life | Up to 2 years (typical usage) |
| Wireless Protocol | Z-Wave Plus (500 series) |
| Range | Up to 30 m indoors (depending on building materials) |
| Operating Temperature | 0°C to 40°C |
| Main Functions | Detect door/window open/close, tamper alarm, temperature measurement |
| Installation | Adhesive tape or screws (included) |
| Maintenance | Clean with dry cloth; replace battery when low |
| Safety | Tamper switch alerts on unauthorized removal |
| Spare Parts / Repairability | Battery replaceable; no other user-serviceable parts |
| General Information | Compatible with any Z-Wave certified controller |
Frequently Asked Questions - FGK-104 Fibaro
How do I install the Fibaro FGK-104 door/window sensor?
Attach the larger part (sensor) to the fixed frame and the smaller part (magnet) to the door or window using the included adhesive tape or screws. Ensure the alignment marks are within 8 mm when closed.
How do I pair the sensor with my Z-Wave controller?
Put your Z-Wave controller into inclusion mode. Then briefly press and hold the tamper button on the sensor for 2 seconds. The LED will blink to confirm inclusion.
What battery does the FGK-104 use and how long does it last?
It uses one CR123A 3V lithium battery. Battery life is up to 2 years under normal usage, depending on communication frequency and ambient temperature.
Can I use the sensor outdoors?
The sensor is designed for indoor use only. It is not weatherproof and should be protected from moisture and extreme temperatures.
What is the maximum distance between sensor and magnet?
The sensor triggers when the magnet is within 8 mm of the alignment mark. For reliable operation, maintain a gap of 5-8 mm.
How do I reset the sensor to factory defaults?
Hold the tamper button for 10 seconds. Release when the LED blinks rapidly. The sensor will be removed from the network and reset.
Does the sensor also measure temperature?
Yes, the FGK-104 includes an internal temperature sensor. It reports temperature changes to the controller, which can be used for automation.
What happens if the sensor is tampered with?
The built-in tamper switch activates if the sensor is forcibly removed from its mounting surface, triggering an alarm notification to the controller.
Is the FGK-104 compatible with SmartThings or other systems?
Yes, it works with any Z-Wave Plus certified hub, including SmartThings, Home Assistant, Vera, and Fibaro Home Center.
How do I check the battery status?
The sensor sends a low battery notification to the controller. You can also check the LED: a slow blink every 30 seconds indicates low battery.
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