Dimplex DS7420, DS7425DLX service manual Noise

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Problem

Cause

Solution

Heater Continued

Heater is not turning on

Improper operation

Refer to Operation Section

 

Defective heater assembly

Replace heater assembly

 

Defective heater on/off switch

Replace heater on/off switch

Heater is turning off after a

Build up of dirt/dust in heater assembly

Clean out heater assembly

couple of minutes of operation

Defective Motor

Replace Motor

 

Heater emits an odor

Normal Operation

Normal operation is when the heater emits an odor

 

 

for a brief period after the heater is initially turned on.

 

 

The heater is burning off any dust accumulated during

 

 

manufacturing or operation.

 

Defective heater assembly

Replace heater assembly

Heater fan turns on but heater

Improper operation

Refer to Operation Section

lacks heat

Defective thermostat

Replace thermostat

 

 

Loose wiring

Trace wiring in unit

 

Defective heater assembly

Replace heater assembly

Heating element is glowing red

Normal Operation

Small glowing sections of the element are considered

 

 

normal.

 

Defective heater assembly

If larger glowing sections are causing the heater to trip

 

 

the thermal cutout, unplug unit, discontinue use and

 

 

replace heater assembly.

Heater fan runs continuously

Loose wiring

Trace wiring in unit

 

Defective heater on/off switch

Replace heater on/off switch

 

Defective heater assembly

Replace heater assembly

 

 

 

 

Defective thermostat

Replace thermostat

Noise

 

 

Excessive noise with the heater

Dirty blower assembly

Clean blower assembly

on

 

 

Defective blower assembly

Replace heater assembly

 

Grinding or excessive noise with

Moving flame rod hitting or rubbing

Ensure rod is straight and mounted properly in the

the heater off

against internal components

bracket, spinning freely away from other components.

 

 

Replace if necessary.

 

Defective flame motor

Replace flame motor

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Contents DS7425DLX Table of Contents Three Position On/Off Switch Light On/Off SwitchHeater On/Off Switch Battery InstallationRemote Control Operation DS7420 MOD a DMaintenance Do not exceed 35 Watts per bulb Lower Bulb ReplacementExploded Parts Diagram Replacement Parts List Replacement PartWiring Diagram To Replace Main Power Switch To Replace Upper Light ON/OFF SwitchTo Replace Upper Light Bulb To Replace Lower Light BulbsTo Replace Heater ON/OFF Switch To Replace Heater AssemblyTo Replace Flame MOTOR/FLAME ROD To Replace Heater Thermostat ControlTo Replace the Power Cord To Replace Remote Control Receiver BoardTo Replace Log Set Driver Board DS7425DLX Model Only Troubleshooting Guide Problem Cause SolutionNoise

DS7425DLX, DS7420 specifications

The Dimplex DS7425DLX and DS7420 are innovative electric fireplaces that bring warmth and style to any space. Both models exemplify Dimplex's commitment to quality, energy efficiency, and modern design.

The Dimplex DS7425DLX features a sleek and contemporary design with a powerful 750W to 1500W heating capacity, allowing it to effectively warm rooms of various sizes. Its realistic flame effect utilizes Dimplex’s patented OptiMyst technology, which creates shimmering flames and smoke that closely mimic a traditional wood-burning fireplace. This technology not only adds visual appeal but also enhances the overall ambiance of a room.

On the other hand, the DS7420 model offers similar heating capabilities and aesthetic features, but with a more classic design approach. It incorporates the same OptiMyst technology, generating a lifelike flame and smoke effect that captivates viewers. The DS7420 is especially well-suited for traditional or rustic interiors, making it a versatile choice for varied decor styles.

Both models are equipped with advanced safety features, including an automatic shut-off system that engages if overheating occurs. This ensures peace of mind for users, especially in households with children or pets. The thermostatic control feature allows users to set their desired temperature, further enhancing the comfort level while optimizing energy consumption.

Another notable characteristic of the Dimplex DS7425DLX and DS7420 is their ease of installation. They do not require any venting or gas lines, making them an ideal choice for apartments, condos, or homes where traditional fireplaces may not be an option. Their plug-and-play design means users can simply plug them in and enjoy immediate warmth.

Both models are designed to operate quietly, allowing users to enjoy their ambiance without disruptive noise. This quality makes them perfect for bedrooms, living rooms, or any space where tranquility is valued.

In summary, the Dimplex DS7425DLX and DS7420 electric fireplaces stand out in the market for their combination of aesthetic appeal, advanced heating technology, and user-friendly features. Whether you prefer the modern flair of the DS7425DLX or the classic charm of the DS7420, both models offer effective heating solutions that enhance the overall atmosphere of any room while ensuring safety and comfort.