How to Fix an Electric Wall Heater: A Step-by-Step Guide

how to fix an electric wall heater

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Are you looking for ways how to fix an electric wall heater but feeling a little intimidated? Don’t worry, fixing it is much easier than you think. We’ll take you through the steps on how to repair your electric wall heater and make sure everything’s in working order. From safety precautions to testing out your work, this guide will provide all the information needed for success when it comes time to fix an electric wall heater. So grab your tools and let’s get started.

Table of Contents:

Safety First

When it comes to working with electricity, safety should always be your top priority. Before you begin any repairs on an electric wall heater, make sure the power is off and that all wires are disconnected from the unit. If you’re unsure of how to do this properly, contact a professional for assistance.

Once you’ve taken the necessary precautions, inspect the area around the heater for any potential hazards such as flammable materials or exposed wiring. Make sure that all combustible items are at least three feet away from the heater before beginning work.

Gather Your Tools

When it comes to repairing an electric wall heater, the first step is to gather your tools. You’ll need a few basic items like a screwdriver, pliers and wire cutters. Depending on the type of repair you’re doing, you may also need some additional tools such as a voltage tester or electrical tape. Make sure that all of your tools are in good working order before starting any repairs.

If you don’t have access to these specific tools, there are other options available at most hardware stores. A multi-tool can be very helpful when dealing with small screws and wires inside an electric wall heater unit. It’s important to make sure that whatever tool you use is appropriate for the job so that no damage occurs during repairs.

For more complex jobs, having speciality equipment such as soldering irons or heat guns can come in handy too. If possible, try borrowing these from someone who has them rather than buying them yourself if they aren’t necessary for everyday use around the house. This will save money and space in your toolbox.

Finally, always wear safety glasses when performing any kind of repair work on an electric wall heater unit. This will protect your eyes from sparks or debris flying out during repairs which could cause serious injury if not properly guarded against.

Once you have all the necessary tools for the job, it’s time to identify what is causing your electric wall heater to malfunction.

Identify the Problem

a squared wall with a white device

When it comes to identifying the problem with your electric wall heater, there are a few things you should check. First, make sure all of the wires are securely connected and that none of them has come loose or become disconnected. If any of the wires appear to be frayed or damaged in any way, they should be replaced immediately.

Next, check the thermostat for any signs of damage or malfunction. If it is not functioning properly, this could cause your heater to overheat and potentially start a fire. Make sure all settings on the thermostat are correct and that it is responding correctly when adjusted.

Finally, inspect your heater for any visible signs of wear and tear such as cracks in its casing or corrosion around electrical components like switches and outlets. These can indicate a serious safety hazard if left unchecked so make sure to replace these parts as soon as possible if needed.

If after inspecting all these areas you still cannot identify what is causing your electric wall heater problems then it may be time to call an expert technician who can help diagnose more complex issues such as faulty wiring or other hidden problems which may require professional attention. Before attempting repairs yourself, make sure to consult a qualified technician for advice.

Once you have identified the problem with your electric wall heater, it’s time to make repairs. This section will cover how to safely fix the issue.

Make Repairs

Once you know what needs fixing, start by unplugging the unit from its power source and removing any panels that may be covering parts of it. Then locate and remove any broken pieces or components that need replacing such as wires, switches, thermostats etc., using a screwdriver if needed. Replace them with new ones according to their specifications and reattach them securely in place with screws or other fasteners provided in your repair kit.

Carefully inspect all wiring connections for signs of damage such as fraying or exposed wire strands, which can cause short circuits when energized. If necessary, replace these following the manufacturer’s instructions to ensure they remain secure over time due to vibration or movement of the unit while operating normally after installation is complete.

Once the repairs have been made, it’s time to test out the electric wall heater and make sure that everything is working properly. 

Key Takeaway: When making repairs to an electric wall heater, safety is the top priority. Always inspect and replace broken components, check wiring connections for damage and test out your repair before leaving the area unattended.

Test It Out

Testing your electric wall heater after making repairs is an important step to ensure that it is working properly before using it again.

Unplug the Heater

Before you begin testing, make sure to unplug the heater from its power source. This will help prevent any accidents or injuries while you are conducting your tests. It’s also a good idea to wear gloves and safety glasses when handling electrical components as a precautionary measure.

Check for Voltage Output

Using a multimeter, check for voltage output at the terminals of the wall heater. If there is no voltage present, then this could indicate that either the heating element has failed or there may be an issue with the wiring in the unit itself. Make sure all connections are secure and if necessary replace any faulty wires or components that may have caused an issue with power delivery to the unit.

Test Heat Output

Once you have verified that electricity is flowing through your wall heater correctly, it’s time to test the heat output from the unit itself by turning on its thermostat setting and allowing it to run for several minutes until reaching its desired temperature level. This should be indicated on the control panel of the appliance. Utilizing a thermometer placed near where air exits from the unit can accurately measure temperatures being produced by your wall heater during operation. If these temperatures remain below what they should be then this could indicate issues such as blockages within ductwork or even problems with insulation surrounding pipes leading into/out of your home which can reduce efficiency levels over time if not addressed in a timely manner.

Don’t forget about regular maintenance checks every few months so as not to let minor issues become major ones down the line. Regularly checking things like filters, fan blades and other parts inside and outside of units can go a long way towards keeping them running optimally throughout their lifespan without having too many costly repair bills along the way.

Key Takeaway: Testing an electric wall heater is important to ensure it’s working properly. Unplug the unit, check for voltage output with a multimeter and test heat output by turning on the thermostat and using a thermometer. Regular maintenance checks can help keep units running optimally over time.

FAQs in Relation to How to Fix an Electric Wall Heater

Why is my wall-mounted electric heater not working?

If your wall-mounted electric heater is not working, it could be due to a few different issues. Firstly, check the power supply and ensure that the plug is securely connected to an active socket. Secondly, make sure that all switches are in the correct position for operation and there are no obstructions blocking airflow from the vents. Lastly, if none of these steps resolve the issue then you may need to contact a qualified technician as there could be an internal fault with your appliance.

Can electric heaters be repaired?

Yes, electric heaters can be repaired. However, the extent of the repair depends on the type and model of the heater you have. If your heater is still under warranty, it may be best to contact the manufacturer for advice or to arrange a repair service. If not, you may need to take it to a qualified technician who specializes in electric heating repairs. In some cases, parts may need to be replaced or repaired in order for your heater to work properly again. It is important to ensure that the repair is done correctly and safely in order to avoid any further damage or safety risks.

What are common problems with electric heaters?

Electric heaters can be prone to a few common problems. One is overheating, which can cause the heater to shut off or become damaged if left unchecked. Another issue is inadequate insulation, leading to wasted energy and higher electricity bills. Poor maintenance of filters and airways can also lead to reduced efficiency and decreased performance. Lastly, electric shock hazards are possible due to improper wiring or faulty components such as switches or plugs. Regular inspections by qualified professionals are recommended in order to ensure the safe operation of any electric heater.


Learning how to fix an electric wall heater could be easy! It’s always important to take safety precautions when attempting any kind of repair. Once you’ve gathered the necessary tools and identified the problem, making repairs on an electric wall heater can be relatively straightforward. After completing your repairs, make sure to test it out before using it again. With a bit of patience and some know-how, you can successfully fix an electric wall heater in no time.

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