Manuals / Desa / Household Appliance / Electric Heater

Desa LDL3924NR installation manual Troubleshooting, Observed Problem Possible Cause Remedy

Models: LDL3924NR

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TROUBLESHOOTING

Note: For additional help, visit DESA Heating Products’ technical service web site at www.desatech.com.

Note: All troubleshooting items are listed in order of operation.

WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.

TROUBLESHOOTING

19

CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit.

 

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

When ignitor button is pressed, there is no

1.

Ignitor electrode not connected to igni-

1.

Reconnect ignitor cable

 

spark at ODS/pilot

 

tor cable

 

 

 

 

2.

Ignitor cable pinched or wet

2.

Free ignitor cable if pinched by any

 

 

 

 

 

metal or tubing. Keep ignitor cable dry

 

 

3.

Piezo ignitor nut is loose

3.

Tighten nut holding piezo ignitor to base

 

 

 

 

 

panel of log set. Nut is located behind

 

 

 

 

 

base panel

 

 

4.

Broken ignitor cable

4.

Replace ignitor cable

 

 

5.

Bad piezo ignitor

5.

Replace piezo ignitor

 

 

6.

Ignitor electrode positioned wrong

6.

Replace pilot assembly

 

 

7.

Ignitor electrode broken

7.

Replace pilot assembly

 

 

 

 

 

 

 

When ignitor button is pressed, there is

1.

Gas supply turned off or equipment

1.

Turn on gas supply or open equipment

 

spark at ODS/pilot but no ignition

 

shutoff valve closed

 

shutoff valve

 

 

2.

Control knob not in PILOT position

2.

Turn control knob to PILOT position

 

 

3.

Control knob not pressed in while in

3.

Press in control knob while in PILOT

 

 

 

PILOT position

 

position

 

 

4.

Air in gas lines when installed

4.

Continue holding down control knob.

 

 

 

 

 

Repeat igniting operation until air is

 

 

 

 

 

removed

 

 

5.

Depleted gas supply (propane/LP only)

5.

Contact local propane/LP gas company

 

 

6.

ODS/pilot is clogged

6.

Clean ODS/pilot (see Cleaning and

 

 

 

 

 

Maintenance, page 18) or replace ODS/

 

 

 

 

 

pilot assembly

 

 

7.

Gas regulator setting is not correct

7.

Replace gas regulator

 

 

 

 

 

 

 

ODS/pilot lights but flame goes out when

1.

Control knob not fully pressed in

1.

Press in control knob fully

 

control knob is released

2.

Control knob not pressed in long enough

2.

After ODS/pilot lights, keep control

 

 

 

 

 

knob pressed in 30 seconds

 

 

3.

Safety interlock system has been

3.

Wait one minute for safety interlock sys-

 

 

 

triggered

 

tem to reset. Repeat ignition operation

 

 

4.

Equipment shutoff valve not fully open

4.

Fully open equipment shutoff valve

 

 

5.

Pilot flame not touching thermocouple,

5.

A) Contact local natural or propane/LP

 

 

 

which allows thermocouple to cool,

 

gas company

 

 

 

causing pilot flame to go out. This prob-

 

 

 

 

 

lem could be caused by one or both of

 

B) Clean ODS/pilot (see Cleaning and

 

 

 

the following:

 

Maintenance, page 18) or replace ODS/

 

 

 

A) Low gas pressure

 

pilot assembly

 

 

 

B) Dirty or partially clogged ODS/pilot

 

 

 

 

6.

Thermocouple connection loose at con-

6.

Hand tighten until snug, then tighten

 

 

 

trol valve

 

1/4 turn more

 

 

7.

Thermocouple damaged

7.

Replace pilot assembly

 

 

8.

Control valve damaged

8.

Replace control valve

For more

visit www.

.com

111515-01A

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Desa LDL3924NR installation manual Troubleshooting, Observed Problem Possible Cause Remedy
Page 18 Page 20

LDL3924NR specifications

Desa LDL3924NR is a state-of-the-art model that embodies innovative technology and advanced features aimed at providing optimal performance in its class. This model is particularly designed for users who demand reliability and efficiency in their operations.

One of the standout features of the Desa LDL3924NR is its high-performance engine. Designed to deliver excellent power output, this engine ensures that operations are smooth and efficient, making it suitable for a variety of tasks. The power-to-weight ratio is optimized, which provides the user with enhanced control and responsiveness, ensuring that even the most demanding applications can be tackled with ease.

The design of the Desa LDL3924NR incorporates advanced materials, which not only contribute to its durability but also help in reducing maintenance requirements. This characteristic is particularly beneficial for users who prioritize longevity and reliability in their equipment. Moreover, the ergonomic design ensures that the model is user-friendly, allowing operators of varying skill levels to handle it with confidence.

In terms of technology, the Desa LDL3924NR is equipped with a sophisticated control system that monitors performance metrics in real time. This technology provides users with insights into efficiency and operational status, empowering them to make informed decisions that can enhance productivity. Additionally, the model is designed with safety features that prioritize operator well-being, minimizing risks and ensuring compliance with industry standards.

Another key characteristic of the Desa LDL3924NR is its versatility. It performs reliably across different settings, whether in industrial, agricultural, or commercial environments. This multifunctionality makes it an attractive option for a diverse range of users.

In conclusion, the Desa LDL3924NR stands out due to its powerful engine, durable construction, innovative technology, and safety features. Its versatility allows it to adapt to various applications, making it an indispensable tool for professionals seeking efficiency and reliability. With its commitment to quality and performance, the Desa LDL3924NR is poised to meet the growing demands of users across multiple sectors.