Dimplex DS7425DLX, DS7420 service manual Troubleshooting Guide, Problem Cause Solution

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Troubleshooting Guide

Problem

Cause

Solution

General

Circuit breaker trips or fuse

Short in unit wiring.

Trace wiring in unit.

blows when unit is turned on

 

 

Improper circuit current rating

Additional appliances may exceed the current rating

 

 

 

of the circuit breaker or fuse. Plug unit into another

 

 

outlet or install unit on a dedicated 15 amp circuit.

Unit turns on or off by itself

Remote control has a similar frequency

Replace Remote Control

 

to other remotes in the area.

 

 

Radio frequency disturbance from out-

Replace hand held remote control and receiver board

 

side sources.

where necessary.

 

Defective circuit board

Replace circuit board

Lights dim in room while the unit

Unit is drawing close to circuit current

Move the unit to another outlet or install unit on a dedi-

is on

rating

cated 15 amp circuit

Power cord gets warm

Normal Operation

The power cord may get slightly warm to the touch

 

 

when the heater is on

 

Defective power cord

Replace power cord if cord gets hot to the touch.

Appearance

 

 

Stove does not turn on

Improper operation

Refer to Operation Section

 

Remote control not initialized to stove

Initialize the remote control

 

Defective main on/off switch

Replace main on/off switch

 

Defective remote control

Install new battery into the handheld transmitter. Re-

 

 

configure remote where necessary

 

 

Replace remote control circuit board where necessary

 

Defective remote control switch

Replace remote control switch board

 

Defective circuit board

Replace circuit board

 

Loose wiring

Check wiring connections

 

No incoming voltage from the electrical

Check Fuse/Breaker Panel

 

wall socket

 

Flame Frozen

Defective flame motor

Replace flame motor

 

Loose wiring

Check wiring connections

Flame not bright or flame not

Burnt light bulbs

Replace light bulbs

visible

Loose wiring

Check wiring connections

 

 

Defective light harness

Replace light harness

Log set dim, not glowing

Burnt light bulbs

Replace light bulbs

Flame Shutter

Defective flame motor

Replace flame motor

Light leaking around the log set

Log set not positioned properly

Check log set for proper fit

Heater

 

 

Heater is not turning off

Improper operation

Refer to Operation Section

Defective heater on/off switch

Replace heater on/off switch

Loose wiring

Trace wiring in unit

Defective remote control

Replace remote control

Defective circuit board

Replace circuit board

 

 

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Contents DS7425DLX Table of Contents Battery Installation Three Position On/Off SwitchLight On/Off Switch Heater On/Off SwitchOperation DS7420 MOD a D Remote ControlDo not exceed 35 Watts per bulb Lower Bulb Replacement MaintenanceReplacement Part Exploded Parts Diagram Replacement Parts ListWiring Diagram To Replace Lower Light Bulbs To Replace Main Power SwitchTo Replace Upper Light ON/OFF Switch To Replace Upper Light BulbTo Replace Heater Thermostat Control To Replace Heater ON/OFF SwitchTo Replace Heater Assembly To Replace Flame MOTOR/FLAME RODTo Replace Log Set Driver Board DS7425DLX Model Only To Replace the Power CordTo Replace Remote Control Receiver Board Problem Cause Solution Troubleshooting GuideNoise

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.