FERMAX 3393
Fermax 3393 Loft 4 + N Intercom Telephone User Manual
Comprehensive guide for installation, operation, and maintenance of your Fermax Intercom Telephone.
1. Introducció
The Fermax 3393 Loft 4 + N Intercom Telephone is a home terminal designed for audio communication with the street entrance panel and for opening the door. Manufactured from high-impact ABS with a mirror-polished finish, this extra-flat design ensures durability and ease of cleaning. It is engineered for robust and reliable performance, suitable for both professional installations and everyday user convenience.
Característiques principals:
- Audio Terminal for communicating and opening the door.
- Constructed from high-impact ABS (Acrylonitrile Butadiene Styrene).
- Designed for easy wall installation and fixing.
- Extra-flat design for modern aesthetics.
2. Producte acabatview

Figura 2.1: Davant view of the Fermax 3393 Intercom Telephone. This image displays the main body of the intercom unit, featuring a clean white finish and a prominent blue door release button located centrally on the lower half. The coiled handset cord extends from the bottom of the unit.

Figura 2.2: lateral view of the Fermax 3393 Intercom Telephone. This perspective highlights the slim profile of the unit, showcasing its extra-flat design. The speaker grille is visible at the top, and the coiled handset cord is also shown extending downwards.
3. Configuració i instal·lació
The Fermax 3393 Intercom Telephone is designed for straightforward wall installation. Ensure the mounting surface is stable and appropriate for the unit's weight.
Instruccions de cablejat:
This model utilizes a conventional wiring system, which is common in small to medium-sized buildings (up to approximately 50 residents). The system requires common threads for the entire installation plus one call thread per housing.
- Audio System Wiring: Requires 4 common threads + N (1 call thread per housing).
- Video System Wiring (if applicable): Requires 7 common threads + 1 coaxial video + N (1 call thread per housing).
For optimal performance, consider the cable section used, as it affects the maximum installation distance. Refer to the comprehensive technical manuals for detailed wiring diagrams and distance specifications.
Requisits d'alimentació:
- Potència d'àudio: 12 VAC
- Video Power (if applicable): 18 VDC
Ensure power is disconnected before beginning any wiring or installation procedures.
4. Instruccions de funcionament
The Fermax 3393 Intercom Telephone provides simple and intuitive operation for daily use.
Recepció d'una trucada:
- When a visitor presses the call button at the street entrance panel, your intercom unit will ring.
- Lift the handset to establish audio communication with the visitor.
- Speak clearly into the handset microphone and listen for the visitor's response through the earpiece.
Obrint la porta:
- During an active call, press the blue door opening button located on the front of the unit. This will activate the electric door strike, allowing the visitor to enter.
Calling the Concierge (if applicable):
- If your system is configured with a concierge function, a dedicated button or sequence may be available to call the concierge directly. Refer to your building's specific instructions for this feature.
5. Manteniment
To ensure the longevity and optimal performance of your Fermax 3393 Intercom Telephone, follow these simple maintenance guidelines:
- Neteja: The unit's high-impact ABS material with a mirror-polished finish is designed for easy cleaning. Use a soft, damp cloth to wipe down the surface. Avoid abrasive cleaners, solvents, or harsh chemicals, as these can damage the finish.
- Eliminació de pols: Periodically wipe away dust from the unit, especially around the speaker and microphone areas, to prevent accumulation that could affect audio quality.
- Cura del cordó: Avoid excessive pulling or twisting of the coiled handset cord to prevent damage to the internal wiring.
- Condicions ambientals: Ensure the unit is installed in a dry environment, away from direct sunlight, extreme temperatures, and high humidity.
6. Solució De Problemes
If you encounter issues with your Fermax 3393 Intercom Telephone, refer to the following common troubleshooting steps:
| Problema | Causa possible | Solució |
|---|---|---|
| No audio during a call. | Loose wiring connection; faulty handset; issue with the street panel. | Check all wiring connections. Ensure handset is properly seated. If problem persists, contact a qualified technician. |
| Door does not open when button is pressed. | Faulty door release button; issue with the electric door strike; wiring problem. | Verify the door release button clicks. Check wiring to the door strike. Consult a technician if the issue continues. |
| Intercom does not ring. | No power to the unit; faulty call button at street panel; wiring issue. | Confirm power supply. Test the call button at the street panel. Inspect wiring for damage. |
| Distorted or low audio. | Dust in speaker/microphone; loose connection; interference. | Clean speaker and microphone grilles. Check wiring. Ensure no strong electromagnetic interference sources are nearby. |
For complex issues or if the above steps do not resolve the problem, it is recommended to contact a certified Fermax service technician or your system installer.
7. Especificacions
| Característica | Detall |
|---|---|
| Número de model | 3393 |
| Marca | FERMAX |
| Color | Plata |
| Material | Plastic (High-impact ABS) |
| Tipus de telèfon | Cordat |
| Font d'alimentació | Elèctric amb cable |
| Potència d'àudio | 12 VAC |
| Video Power (if applicable) | 18 VDC |
| Pes de l'article | 0.64 lliures (aprox. 290 g) |
| Tipus d'instal·lació | Muntat a la paret |
| Tipus de sistema | Conventional (4+N wiring) |
8. Garantia i Suport
For information regarding the warranty period and terms for your Fermax 3393 Intercom Telephone, please refer to the documentation provided at the time of purchase or contact your authorized Fermax dealer or installer.
If you require technical support, service, or have questions not covered in this manual, please reach out to:
- Your original point of purchase.
- A certified Fermax service center.
- The official Fermax weblloc web per obtenir informació de contacte i recursos addicionals: www.fermax.com
Si us plau, tingueu a mà el número de model (3393) i els detalls de compra quan us poseu en contacte amb el servei d'assistència.
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