Remington S600 Steam Iron Incorrect Temperature Control Issue Fix

Understanding the Temperature Control Problem in the Remington S600 Steam Iron

The Remington S600 is a popular choice for many households because of its generous steam output and quick‑heat feature. Yet, like all electronic appliances, it can develop faults over time. One recurring issue that many owners report is an incorrect temperature control: the iron fails to reach the set temperature, the display shows inaccurate values, or the iron shuts down prematurely.

Below is a detailed guide that walks you through the symptoms, safety measures, and a step‑by‑step repair procedure that covers the most common causes. Whether you are a seasoned DIY repairer or a first‑time user, this article will give you the knowledge you need to get your S600 back to optimal performance.

Symptoms of a Faulty Temperature Control

Before you begin troubleshooting, confirm that the problem is truly temperature‑related and not caused by other factors such as a worn soleplate or low water level. The following symptoms are typical indicators that the iron’s temperature control circuit is at fault:

• Temperature Display Issues: The LED panel shows “0 °C” or “TBD” regardless of the setting you select.
• Inconsistent Heating: The iron heats to a certain point and then stops, even though the temperature setting is still active.
• Random Shutdowns: The iron powers down unexpectedly while you are ironing.
• No Heat Output: The iron’s steam function is disabled and the iron remains cool even after a long wait.
• Over‑Temperature Alarm: The iron’s safety cut‑off triggers when the set temperature is far below the normal range.

If you see more than one of these signs, it is highly probable that the temperature control mechanism (thermostat, temperature sensor, or associated circuitry) needs inspection.

Safety Precautions

Repairing an electric appliance that operates on 120 V/60 Hz can be hazardous. Always follow these safety steps before touching any internal components:

1. Unplug the Iron: Ensure the power cord is disconnected from the wall outlet.
2. Discharge Static: Hold a grounded metal object or touch a grounded metal surface to discharge any static build‑up from the cord or iron body.
3. Inspect the Cord: Verify that the power cord and plug have no visible damage or fraying. Replace if necessary.
4. Avoid Moisture: Keep all tools and hands dry; the steam iron’s internal components are sensitive to water.
5. Use Insulated Tools: All tools used in the repair should have insulated handles.

After completing the repair, always test the iron on a low setting first and observe it for a few minutes to confirm the fault is fixed before using it for normal ironing.

Step‑by‑Step Troubleshooting

The following sections provide a systematic approach to identify and fix the temperature control issue.

1. Verify the Setting and Display

1. Select a Temperature: Turn the dial to a middle or high temperature (e.g., “100 °C” or “120 °C”).
2. Observe the Display: The LED panel should immediately reflect the chosen value.
3. Wait and Check: If the display remains “0 °C” or does not update, the issue is likely the display board or the temperature sensor.

2. Test the Power Supply to the Temperature Module

Use a multimeter set to the DC voltage range:

1. Locate the Power Connector: The iron’s temperature module is connected to a small plug on the power cord. Carefully open the rear panel of the iron by unscrewing the screws.
2. Measure Voltage: Place the multimeter probes on the plug terminals. You should read a consistent voltage (typically around 12 V DC).
   • If the reading is zero or fluctuating, the problem may lie in the power supply circuitry.

3. Inspect the Temperature Sensor

The sensor is usually a thermistor mounted near the heating element:

1. Visual Check: Look for signs of damage—burn marks, cracked housing, or a loose connection.
2. Continuity Test: Using the multimeter on resistance mode, check for continuity between the sensor leads. A broken thermistor will show infinite resistance.
3. Temperature‑Resistance Curve: If you have a datasheet for the thermistor, compare the measured resistance at room temperature to the expected value. A significant deviation indicates a faulty sensor.

4. Examine the Thermostat and Control Circuit

The thermostat interprets the sensor’s resistance and signals the heating element:

1. Open the Temperature Module: Remove the back cover of the module with a screwdriver.
2. Look for Burnt Traces: Inspect the PCB for any scorch marks or melted components.
3. Test Key Components: Use the multimeter to check resistors, capacitors, and ICs for proper values. A non‑functional IC may show no continuity where it should have some.

Common Fixes for Temperature Control Problems

After the troubleshooting steps, you should have identified the root cause. Below are the most common repairs, each with a detailed procedure.

A. Replace the Temperature Sensor (Thermistor)

If the sensor is damaged or shows abnormal resistance, replace it.

1. Purchase a Replacement: Buy a compatible thermistor—search online for “Remington S600 thermistor” or check the manufacturer’s parts list.
2. Desolder the Old Sensor: Heat the solder points with a soldering iron and remove the old sensor.
3. Solder the New One: Connect the new sensor leads to the same pads, ensuring correct orientation if polarity matters.
4. Reassemble: Put the module cover back on and secure it with screws.
5. Test: Plug in the iron, set a temperature, and verify the display and heating response.

B. Reset the Temperature Control Module

Sometimes, the module’s firmware or calibration data may become corrupted. A simple reset can restore normal operation.

1. Disconnect the Iron: Unplug the device completely.
2. Press and Hold the Power Button: While the iron is still unplugged, press and hold the power button for 30 seconds.
3. Re‑Plug and Power On: Connect the iron again and turn it on.
   • If the display clears and the temperature range becomes normal, the reset was successful.

C. Replace the Thermostat/Control IC

A faulty IC may prevent the iron from heating to the set temperature.

1. Identify the IC: Look for a small square or rectangular chip on the temperature module board. The datasheet or part number will be on its body.
2. Desolder the IC: Use a hot plate or a desoldering pump to remove the old IC without damaging the board.
3. Obtain a Replacement: Get an exact match from the manufacturer or a reputable parts supplier.
4. Solder the New IC: Carefully place the new chip on the board and solder all pins.
   • Pay attention to pin orientation and the heat‑sensitive nature of the package.
5. Reassemble and Test: Put everything back together and verify that the iron heats correctly.

D. Repair or Replace the Temperature Module PCB

If the PCB has burnt traces or damaged components, the entire module may need replacement.

1. Order a Replacement Board: Check the Remington parts catalogue for a “S600 Temperature Module PCB”.
2. Remove the Old Board: Unplug all connectors and unscrew the module from the iron housing.
3. Install the New Board: Mount it in place, connect all cables, and secure with screws.
4. Reassemble the Iron: Put the outer casing back on and reattach the rear panel.
5. Test the Functionality: After powering on, confirm that the temperature control works as expected.

Preventive Measures to Avoid Future Temperature Issues

Once the iron is repaired, you can take steps to keep it running smoothly for years.

• Use Soft Water: Hard water deposits can clog the heating element and affect temperature readings. Use distilled or de‑mineralised water.
• Clean the Soleplate Regularly: Remove fabric residue with a soft cloth to maintain good heat transfer.
• Avoid Over‑Heating: Do not set the iron to the highest temperature for prolonged periods, as this can strain the thermostat.
• Inspect the Power Cord: Periodically check for fraying or exposed wires, especially near the plug.
• Store Properly: Hang the iron on its wall hook or keep it in a dry place to prevent moisture damage.

When to Seek Professional Service

While most temperature control issues can be handled by an informed hobbyist, certain situations warrant professional assistance:

• Complex PCB Damage: Extensive burnt traces or component failure that require specialized equipment.
• Electrical Safety Concerns: If you are uncomfortable working with the iron’s internal circuitry.
• Warranty Coverage: If your Remington S600 is still under warranty, a DIY repair may void it. Contact the manufacturer for repair options.

Final Checklist Before Returning the Iron to Service

Before using the iron again, run through this quick checklist to ensure everything is safe and functional:

If all checks are green, you’re ready to enjoy crisp, wrinkle‑free garments.

Troubleshooting Recap

Final Thoughts

The Remington S600 is designed to offer reliable performance with minimal fuss. However, like all appliances, it can develop a temperature control fault over time. By systematically checking the display, sensor, thermostat, and PCB, you can pinpoint the issue and implement the appropriate fix—whether it’s a simple sensor replacement or a full module overhaul. Follow the safety precautions, take your time, and you’ll restore your iron to its former glory.

Remember, preventive care and regular maintenance are the best allies against future problems. Keep the iron clean, use soft water, and monitor the power cord, and you’ll enjoy many years of wrinkle‑free ironing.