Dimplex Electric Fireplace Troubleshooting [7 Easy Solution] (2023)

Dimplex electric fireplace troubleshooting is as simple as the Avalon pellet stove troubleshooting. Just keep reading our simple troubleshooting guide. You will get easy and simple solutions to the following issues with your Dimplex electric fireplace.

  • Remote control not working
  • The fireplace showing error codes
  • How to reset your Dimplex fireplace
  • How to unlock your Dimplex heater
  • Dimplex thermostat troubleshooting
  • Fireplace flame is frozen
  • The fireplace turns on/off by itself

So, let’s get started…….

Table of Contents

  • 7 Dimplex Electric Fireplace Troubleshooting
  • How Do You Clean a Dimplex Heater?
  • Is It OK To Leave An Electric Fireplace On all Night?
  • FAQs
  • Where is my Dimplex serial number?
  • Conclusion

7 Dimplex Electric Fireplace Troubleshooting

Here’s a list of the most common issues faced by the consumers of Dimplex Electric Fireplace.

1. Dimplex Remote Control Not Working

A few possible causes that are responsible for your Dimplex electric fireplace remote not working are:

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  • Improper operation
  • An outside source may be causing a radio frequency disturbance.
  • The batteries could be dead.
  • The remote may not be initialized with the fireplace.
  • The remote may need replacement.
  • The remote receiver could be broken and in need of replacement.


See which of the causes is applicable in your case. Eliminate the causes one by one.Reading the user’s manual to see if you are handling the remote correctly, replacing batteries, and checking if there’s any other source causing radio frequency disturbance is easy to do.

If your Dimplex electric fireplace is new, the most likely cause of your remote control transmitter not working is that you haven’t initialized the remote control to the fireplace.If you haven’t initialized your remote control, here’s how you do it.

  • Make sure that the power supply through the main service panel is on.
  • You’ll need to access the manual controls. For some models, you’ll have to pull down the grill or remove the glass doors. You may also need to pull out the right-side steel curtain.
  • Find the manual controls.
  • Turn on the main power switch.
  • You’ll find a switch marked as ‘ON’. Press and hold it for 5 seconds.
  • Press the ON button on the remote control. After this, your fireplace remote receiver will be synchronized with the transmitter.

If you have checked the first four causes and your remote is still not working, your remote possibly needs a replacement.After checking with a new remote, you’ll need to replace the remote receiver if the issue is still unfixed.

2. Dimplex Error Codes

If you’ve been using a Dimplex Electric Fireplace for a while, you may come across this issue.Your fireplace shows an error code on the LCD panel and you can’t adjust the temperature and set the timer of your fireplace.

Basically, your fireplace is locked down and you can’t get heat from it. Don’t worry if this happens. It is easily fixable and we’ll tell you how. But first, let’s have a look at what causes these errors to occur.

Reasons For Showing Error Codes:

Different error codes are displayed by a Dimplex fireplace. Dimplex uses a number system to indicate errors. Each number is assigned to a specific cause.Here’s a list of the error codes and their causes.

E1: This error indicates an open circuit or short circuit in the temperature sensor and PCB.

E2: Indicates open circuit or short circuit in temperature sensor, copper tube, and PCB.

E4: Indicates the internal water container is full. Refer to WATER DRAIN

E22: Component thermistor hardware fault

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E30-34: Component overheat

E40: Internal serial communications error

E41: Heating element fault

E50: Open window detected

E52: Heat output disabled

E53: Time loss error

E54: Occupancy sensor not detected

E55: Unknown error

E60: Wireless communication module error

E61: Hub connection error

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  • Unplug the fireplace. Leave it unplugged for a minimum of 5 minute
  • Plug it back in and turn your fireplace on. Check the heat settings to ensure it is running alright.
  • If you’ve been using your fireplace continuously, this problem may reoccur once or twice. But if it is happening more than that, note down the serial number given at the back of your firebox. Let the Dimplex customer care know how often this issue is happening and they’ll fix the issue for you. You may need to replace a part of your fireplace.

3. Dimplex Heater Locked

The reasons behind your heater getting locked are:

  • You may have enabled the child lock.
  • You may have enabled PIN Lock.

How To Unlock Dimplex Heater

i) For Child lock

Press the back button and enter the button together. Hold for three seconds. The fireplace will be unlocked.

ii) For PIN Lock

  • Press the Menu button.
  • Select ‘Unlock’.
  • Enter the PIN code. The device will be unlocked.

4. How To Reset Dimplex Heater

Here are the steps to reset a Dimplex Heater.

  • Make sure you isolate the supply. You can turn off the power at the fusebox or the power inlet where your heater is plugged in.
  • You’ll need to grab a grip. There are two screws on either side of the heater. Unscrew them with the grip.
  • You can now easily remove the front cover of the heater. Hold the heater from both sides and lift the cover up to remove it.
  • On the top of the heater, you’ll see the reset button.
  • Use an insulated screwdriver to push the button down till you hear a click.
  • Your heater will be reset. Now, put the front cover back on and screw it on tightly.

5. Dimplex Thermostat Troubleshooting

Problem 1:

The LCD screen is blank or abnormal


  • Make sure the thermostat is fully installed.
  • Make sure that the power has been reconnected at the fuse or the circuit breaker.
  • Your heater may have a power switch of its own. If it does, check that it is in the ON position.

Problem 2:

Your thermostat housing is too hot for you to touch.


Actually, there is no solution to this issue. It is normal for the thermostat housing to reach a temperature of 45-50 degrees Centigrade while working at full capacity.You don’t have to worry about this. The heating of the thermostat doesn’t affect its operation.

However, you should be careful to keep any flammable or heat-sensitive material away from the thermostat housing.

Problem 3:

The bottom pane of the LCD is blinking.


Don’t press any buttons for 16 seconds. You’ll see that the display has returned to the “current temperature mode” on its own.

Problem 4:

You can’t change the temperature settings.

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Check that the temperature is within the acceptable range of 5-35 degrees Centigrade.

6. Dimplex Electric Fireplace No Flame/Frozen

When you find Dimplex electric fire flame effect not working, the followings may be the cause:

  • The wiring is loose.
  • The flicker motor may be defective.
  • The LED driver board may be defective.


  • Check whether the wiring is loose. If so, fix it.
  • If the flicker motor or LED driver board is defective, you may have to replace them.

7. Unit Turns On/Off By Itself

Your Dimplex is turning on and off by itself due to:

  • The remote control of the fireplace has the same frequency as any other remote control transmitter in your house.
  • Outside radio frequency disturbances.
  • The fireplace remote receiver may be broken.


  • Try replacing the remote control. Don’t forget to initialize the new remote control to the receiver.
  • You will need to replace the remote control receiver if that doesn’t work.

How Do You Clean a Dimplex Heater?

Here are the steps to clean a Dimplex electric heater:

  • Turn off the power supply. Wait for the heater to cool.
  • Take a clean microfiber duster. Remove loose dust with it.
  • With a damp sponge, wipe down the surface of the heater. Let the heater dry.
  • If your heater has a cover, remove it. Use a compressed air duster on the heater’s interior compartment. This will clean the loose dirt as well as any debris that’s in there.
  • For an uncovered space heater, the process is different. The heater’s vents and slats should be cleaned with the nozzle of the compressed air duster. You can clean out the heating element if needed, by spraying air on it.
  • Next, take a vacuum that has a brush attached to the hose. Delicately remove dust from the interior of the heater by vacuuming. While vacuuming a space heater, focus on the vents of the heater. Vacuum away all dirt from there.
  • Except for coverless electric space heaters, at this stage, you can clean any heater’s interior surface with a damp sponge. After wiping down, let it dry.
  • If your heater has a cover, vacuum it to clean and use brush attachments to remove dirt from the fins before putting it back on. Use brush attachments to remove dirt from the fins.

Is It OK To Leave An Electric Fireplace On all Night?

There is no reason why you can’t keep it on except for the following situations:

  • If you are using an extension cord for your fireplace, it isn’t safe to keep it on overnight.
  • Also, if your fireplace smells a bit weird or isn’t functioning properly, don’t keep it on overnight.

However, it is best practice if you turn it off when you won’t be in the room or will be sleeping. For one thing, it will raise your utility bills a lot. You can save yourself a lot of money and worry if you set your fireplace’s climatic controls at a medium temperature. In this setting, your fireplace will turn off automatically when your room is adequately heated.


Where is my Dimplex serial number?

You can find it in three different places. They are on top of the unit or the right-hand side of the unit or the behind the control unit.


Dimplex electric fireplaces are one of the best in the market. Yet, you may sometimes feel difficulty in operating it. Hopefully, our guide on Dimplex electric fireplace troubleshooting will help you whenever you face any issues.

If you have any further queries, feel free to comment below. We’ll try our best to help you out.

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How do I reset my Dimplex electric fireplace? ›

If your Dimplex fireplace keeps turning off, try resetting it by shutting it off with the main power switch. Turn it back on after five minutes or longer.

Why does my Dimplex fire keep cutting out? ›

A buildup of dirt or dust can cause the heating elements to overheat, and in turn cause the fireplace to turn off. To check if your electric fireplace has excess dust, turn off your fireplace at the wall and unplug it from the socket. Allow the fireplace to cool down before attempting to check for dust or dirt.

How do you reset an electric fireplace? ›

SOLUTION: Turn all switches to the “off” position and unplug the unit from the wall for five minutes. After five minutes, power everything back on.

Why is the flame not working on my electric fireplace? ›

The circuit breaker might have tripped, causing the motor flame problem in your unit. The solution to this problem is as easy as flipping it back on. After checking the circuit breaker and fuse, move on to other parts of the electric fireplace. Check if there are any loose connections with the cables.

How do you troubleshoot an electric fireplace? ›

Check all wiring (with fireplace unplugged) to make sure all connections have good contact. Look for exposed, frayed, or misplaced wires. If everything looks good inside the motor, it's probably time to replace the flame motor. Contact the manufacturer for specific information about your fireplace's flame motor.

How do I reset my Dimplex heater? ›

How To Reset An Electric Storage Heater (Dimplex Example) - YouTube

Why does my fireplace keep shutting off? ›

This could be because there is dust or debris in the pilot light. This will affect how the fire catches, and the lazy flame created disrupts the main flame. This will then have a knock on effect on the fire itself, and can cause it to shut off.

Why does electric heater keep shutting off? ›

Space heaters turn off when they overheat. Overheating can be caused by a dirty air filter restricting airflow into the heater. Without a constant stream of cool air, the elements within the heater will become too hot, and the automatic shut-off will be initiated for safety.

Why does my electric heater keep going on and off? ›

So, if your furnace keeps turning off and on too quickly, your thermostat might be malfunctioning or broken. There are several things that could be causing your thermostat to not work properly. The wiring could be old and need replacing, it might need new batteries, or it could be the location of your thermostat.

How long does an electric fireplace last? ›

Electric fireplaces can last up to 20 years. And the light bulbs will need replacing every two years or so Electric fireplaces tend to have longer lifespans than gas and wood-burning fireplaces. To determine the quality and lifespan of electric fireplaces, consider the length of their warranties.

How can I get my electric fireplace to work without a remote? ›

The fireplace must be plugged in at the wall and the wall socket turned on. The power button on the electric fireplace must be switched on. The flame effect switch must be turned on (if separate to the main power switch). The flame dial can then be used to control brightness of the flames.

How do I reset my fireplace remote? ›

Troubleshooting a Skytech Fireplace Remote Control - YouTube

Can an electric fireplace be fixed? ›

Branded electric fireplaces, like the ones that we carry at Stylish Fireplaces, can certainly be repaired outside of warranty. It's one of our criteria for carrying a product line. All of the better brands provide parts so that the fireplaces may be repaired long after the warranty expires.

Can you replace the bulb in an electric fireplace? ›

Replacing your electric fireplace light bulb is simple and easy. You don't have to be mechanically inclined to pull this one off. In most cases, all you'll need is a screwdriver and some replacement bulbs to get you and your family back to enjoying movies around the fireplace.

What makes the flame in an electric fireplace? ›

Typically, the light from a Light Emitting Diode (LED) reflects off of a spinning light refractor made up of three-dimensional patterns. This reflection creates the illusion of flickering flames and the glow of fire within the fireplace. In some models, the sound of crackling accompanies the glowing flames.

Do fireplaces have fuses? ›

You can find the fuse on the back of the fireplace, near the power switch. The fuse is usually located behind a small panel. If you cannot find the fuse, check the manual for your particular model number of fireplace.

Can you replace the heating element in an electric fireplace? ›

The heating element can be changed in some electric fireplaces, while it can't be in others. Whether it can be will depend on the model of fireplace.

How do you fix E3 error on electric fireplace? ›

Display shows “E3” Manual Reset overheat protection has triggered. Inspect the heater and check that the air inlets and outlets are not blocked as this may cause overheating. Unplug the heater for 5 minutes and allow it to cool down.

Why is my economy 7 not working? ›

You should check to see if there's a separate fuse box for your E7 circuits (there should be). If there is, then there should be a fuse/circuit breaker for the E7 immersion heater. If there is, there's a possibility that it has blown/tripped, respectively.

How do you reset an economy 7 heater? ›

How to reset a storage heater - YouTube

Why is my Dimplex heater flashing red? ›

The display is flashing or staying red

-If the Q-Rad is obstructed by furniture, for example, then please move the obstruction and switch the Q-Rad off at the wall for 15 minutes before turning it back on. This should reset the Q-Rad and the fault should have cleared.

Does an electric fireplace have a filter? ›

Your electric fireplace requires a continuous supply of air to perform correctly. Check and clean or replace your filter regularly. If at any time your heater shuts down by itself, unplug the fireplace for 10 minutes, clean or replace the filter, plug the unit back in and turn on the power.

Do electric fireplaces have thermostats? ›

Easy controls. Electric fireplaces can come with a range of control options, including thermostats, remote controls, and adjustable LED lights. A fireplace that fits in your space.

Why does my gas fireplace turn off after a few minutes? ›

A common problem with gas fireplaces lies in the components called the ignition assembly. When a fireplace refuses to remain lit, there's probably an issue in one of the several pieces that make up the ignition assembly, which are: the pilot light assembly, pilot tubing, thermocouple, and thermopile.

Why does my Sunbeam heater keep turning off? ›

The heater might start turning on and off frequently. This is called cycling. Cycling occurs when the temperature in the area around the heater is extremely close to the temperature that the heater is set to maintain; as such, slight temperature changes can cause the unit to cycle on and off.

Why does my heater turns off before reaching temperature? ›

A lack of airflow can cause your furnace to stop heating before reaching the set temperature. Ensure there is nothing impeding airflow around your furnace, within your furnace and through your ducts. Check that registers are open, no ducts are damaged or crushed and replace your furnace filter.

Why does my furnace keep shutting off after a few minutes? ›

A common reason a furnace short cycles is because the heat exchanger, the part that heats your air, is getting too hot due to a lack of airflow. Once the heat exchanger overheats, it trips the high limit switch, which shuts the furnace down to protect it.

Do electric heaters turn off automatically? ›

Newer heaters typically have built-in safety features like tip-over protection and automatic shut-off to guard against overheating, which can help prevent the risk of residential fires. Safety is paramount in your home, so you need a portable electric heater you can rely on.

Can a thermostat cause short cycling? ›

Your thermostat could also cause the HVAC system to cycle on and off rapidly, a process known as short cycling. Your furnace or central air conditioner spends a good amount of energy simply turning on and off, which is why you want yours to run for at least 15 minutes at a time before shutting off.

What do I do if my furnace is short cycling? ›

If you suspect this is the reason your furnace is short cycling, it is imperative that you contact an HVAV professional to repair the unit. Restricted airflow is typically the cause of overheating which may be due to a dirty air filter or interior vents, or because roof exhaust vent is blocked.

How do I factory reset my Dimplex quantum? ›

Factory Reset Dimplex Quantum Night Storage Heater Usage - YouTube

How do you unlock a Dimplex heater? ›

To lock the controls press and hold both the Back button and Enter for three seconds. Child Lock will appear at the bottom of the screen. To unlock the control repeat the action by pressing both the Back button and Enter for three seconds.

How do you turn on the heat on a Dimplex fireplace? ›

Multi-Fire XD™ Electric Fireplace Operating Instructions | Dimplex

How do I adjust the temperature on my electric fireplace? ›

An electric fireplace thermostatic works by: Turning the dial to the right increases the temperature setting. Turning the dial to the left decreases the temperature setting.

Why is my Dimplex quantum heater flashing red? ›

The display is flashing or staying red

-If the Q-Rad is obstructed by furniture, for example, then please move the obstruction and switch the Q-Rad off at the wall for 15 minutes before turning it back on. This should reset the Q-Rad and the fault should have cleared.

How does a Dimplex heater work? ›

Dimplex Storage Heater Video Overview, Help and Advice - YouTube

What does comfort on mean on heater? ›

In the evening during 'comfort on' times if the heater is not able to deliver the required comfort levels then there is not adequate energy left. This may happen during harsh winter conditions where the outside temperatures are very low or if prolonged heating at high temperatures is required.

Where is the model number on a Dimplex fireplace? ›

The product model number can be found on the top of the unit, on the right hand side, behind the control unit.

How do you clean a Dimplex heater? ›

General Cleaning

The external appearance can be maintained by wiping occasionally with a damp cloth. For stain removal, a weak soap solution can be applied and then wiped dry.

How do I set the timer on my Dimplex heater? ›

Dimplex Quantum Heater Main Menu - Modify "Home All Day" Mode Part 1

How do Dimplex remotes work? ›

Dimplex Multi-Fire Remote Control Setup - Part 1 - YouTube

How do I initialize a Dimplex remote? ›

Press and hold the initialization button on the unit. 5. Press the button on the remote and release the initialization button. Your remote will now have a different frequency communicating with the fireplace.

Where are the batteries in a electric fireplace? ›

How to use batteries to start electric fireplace - YouTube

How do I change the temperature on my electric fireplace without the remote? ›

Locate the fireplace's controls and turn the fireplace and the flame on. Some controls are used to determine and set the electric fireplace's heat setting, such as low heat, medium heat, and high heat. If there is a thermostat dial on the fireplace, it should be set above the room's current temperature.

Is it OK to leave electric fireplace on all night? ›

Fireplace safety tips can reduce the risk even further. Though, it is still best to avoid leaving it on all night. Not only is this because the fireplace can use a large amount of electricity, but it's also because of the potential fire hazard that it presents.

Do electric fireplaces have a thermostat? ›

Electric fireplaces can come with a range of control options, including thermostats, remote controls, and adjustable LED lights.


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