1. Introduction
This manual provides essential information for the safe and efficient use of your Franke Neptune FHNE 604 3G TC XS Gas Hob. Please read these instructions carefully before installation, operation, or maintenance to ensure proper functioning and to prevent potential hazards.
2. Safety Information
Always prioritize safety when operating gas appliances. Failure to follow these instructions could result in fire, explosion, electric shock, or other injuries.
- Ensure proper ventilation in the kitchen area during hob operation.
- Do not store flammable materials near the hob.
- Keep children and pets away from the appliance during use.
- In case of a gas leak, immediately shut off the gas supply, open windows, and do not operate any electrical switches or appliances. Contact a qualified technician.
- Only use the appliance for its intended purpose of cooking food.
- Regularly check gas connections for leaks.
3. Product Overview
The Franke Neptune FHNE 604 3G TC XS is a built-in gas hob featuring four heating fields and durable cast iron grates. It is designed for efficient and safe cooking.

Figure 1: Top view of the Franke Neptune FHNE 604 3G TC XS Gas Hob, showing the four burners, cast iron grates, and control knobs.
Key Features:
- Four gas burners for versatile cooking.
- Durable cast iron grates for stable cookware support.
- Front-mounted control knobs for easy access.
- Integrated gas outflow protection (safety valve).
- Electronic ignition system.
- Stainless steel surface for easy cleaning and modern aesthetics.
4. Installation and Setup
Installation must be performed by a qualified technician in accordance with local regulations and standards for gas and electrical connections.
Dimensions and Cutout:
Ensure the countertop cutout dimensions match the specifications below for a secure and proper fit.

Figure 2: Technical drawing illustrating the overall and cutout dimensions for the Franke Neptune FHNE 604 3G TC XS Gas Hob. All measurements are in millimeters.
- Overall Product Length: 590 mm
- Overall Product Width: 510 mm
- Cutout Length: 560 mm
- Cutout Width: 480 mm
- Cutout Depth: 40 mm
- Minimum Foundation Width: 600 mm
Electrical and Gas Connections:
- Voltage: 220-240V (for electronic ignition).
- Fuel Type: Gas. Ensure the gas supply type (Natural Gas or LPG) matches the hob's configuration.
- All connections must be leak-tested before first use.
5. Operation
Operating your gas hob is straightforward using the control knobs located at the front.
Igniting a Burner:
- Push down the control knob for the desired burner.
- Rotate the knob counter-clockwise to the maximum flame setting (large flame symbol).
- The electronic ignition will spark, lighting the gas. Hold the knob down for a few seconds after ignition to allow the thermocouple (gas outflow protection) to activate.
- Release the knob. If the flame extinguishes, repeat the process.
- Adjust the flame size by rotating the knob between the maximum and minimum flame settings.
Burner Power:
- Auxiliary Burner: Approximately 1000W
- Semi-Rapid Burners (x2): Approximately 1750W each
- Triple-Crown Burner: Approximately 3600W
Always use cookware appropriate for the burner size to maximize efficiency and safety.
6. Maintenance and Cleaning
Regular cleaning and maintenance will prolong the life of your hob and ensure its safe operation.
General Cleaning:
- Ensure the hob is cool before cleaning.
- Wipe the stainless steel surface with a soft cloth and mild detergent. Avoid abrasive cleaners or scouring pads that can scratch the surface.
- For stubborn stains, use a specialized stainless steel cleaner.
Cast Iron Grates:
- Remove grates and wash them in warm soapy water. Dry thoroughly to prevent rust.
- For baked-on food, soak the grates before cleaning.
Burner Components:
- Periodically remove burner caps and crowns. Clean them with warm soapy water and a soft brush.
- Ensure the ignition electrode and thermocouple are clean and free from food debris.
- Ensure all components are completely dry before reassembling.
7. Troubleshooting
Before contacting service, review these common issues and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Burner does not ignite. | No gas supply, power outage, dirty burner components, ignition electrode blocked. | Check gas supply valve. Verify power to the hob. Clean burner caps, crowns, and ignition electrode. |
| Flame extinguishes after releasing knob. | Thermocouple not heated sufficiently, faulty thermocouple, gas outflow protection issue. | Hold knob down longer after ignition. Ensure flame is directly heating the thermocouple. If problem persists, contact service. |
| Irregular or yellow flame. | Burner ports blocked, incorrect gas pressure, incorrect gas type. | Clean burner ports. Verify correct gas type and pressure with a qualified technician. |
| Gas smell. | Gas leak. | Immediately shut off gas supply, ventilate area, and contact a qualified technician. Do not operate electrical switches. |
8. Specifications
| Feature | Specification |
|---|---|
| Brand | FRANKE |
| Model | FHNE 604 3G TC XS C-106.0155.167 |
| Installation Type | Built-In |
| Number of Heating Elements | 4 |
| Burner Types & Power | 1 x Auxiliary (1000W), 2 x Semi-Rapid (1750W each), 1 x Triple-Crown (3600W) |
| Fuel Type | Gas |
| Controls | Knobs |
| Ignition System | Electronic |
| Safety Feature | Gas Outflow Protection (Safety Valve) |
| Material | Stainless Steel |
| Grates Material | Cast Iron |
| Voltage | 220-240V |
| Product Dimensions (L x W x H) | 590 mm x 510 mm x 80 mm (approx.) |
| Cutout Dimensions (L x W x D) | 560 mm x 480 mm x 40 mm |
| Item Weight | 10.4 kg |
9. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact Franke customer service directly. Keep your proof of purchase for warranty claims.







