OWNER’S MANUAL

TROUBLESHOOTING

Note: For additional help, visit DESA International’s 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.

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 cable pinched or wet

1.

Free ignitor cable if pinched by any

spark at ODS/pilot

 

 

 

metal or tubing. Keep ignitor cable dry

 

2.

Ignitor electrode not connected to igni-

2.

Reconnect ignitor cable

 

 

tor cable

 

 

 

3.

Piezo ignitor nut is loose

3.

Tighten nut holding piezo ignitor to

 

 

 

 

heater cabinet. Nut is located inside

 

 

 

 

heater cabinet at top

 

4.

Broken ignitor cable

4.

Replace ignitor cable

 

5.

Ignitor electrode broken

5.

Replace ignitor

 

6.

Bad piezo ignitor

6.

Replace piezo ignitor

 

7.

Ignitor electrode positioned wrong

7.

Replace ignitor

 

 

 

 

 

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 re-

 

 

 

 

moved

 

5.

ODS/pilot is clogged

5.

Clean ODS/pilot (see Cleaning and

 

 

 

 

Maintenance, page 12) or replace ODS/

 

 

 

 

pilot assembly

 

6.

Gas regulator setting is not correct

6.

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.

Equipment shutoff valve not fully open

3.

Fully open equipment shutoff valve

 

4.

Thermocouple connection loose at con-

4.

Hand tighten until snug, then tighten 1/4

 

 

trol valve

 

turn more

 

5.

Pilot flame not touching thermocouple,

5.

A) Contact local natural gas company

 

 

which allows thermocouple to cool,

 

 

 

 

causing pilot flame to go out. This prob-

 

B) Clean ODS/pilot (see Cleaning and

 

 

lem could be caused by one or both of

 

Maintenance, page 12) or replace ODS/

 

 

the following:

 

pilot assembly

 

 

A) Low gas pressure

 

 

 

 

B) Dirty or partially clogged ODS/pilot

 

 

 

6.

Thermocouple damaged

6.

Replace thermocouple

 

7.

Control valve damaged

7.

Replace control valve

www.desatech.com

Continued

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Desa VN600BA installation manual Troubleshooting, Observed Problem Possible Cause Remedy
Page 12 Page 14

VN600BA specifications

The Desa VN600BA is a versatile and efficient vent-free heater that has garnered attention for its performance and user-friendly design. This model stands out in the market due to its blend of advanced technologies and practical features, making it an attractive choice for homeowners seeking reliable heating solutions.

One of the key features of the Desa VN600BA is its innovative vent-free design, which allows for easy installation in various settings without the need for ductwork. This not only reduces installation costs but also enhances flexibility in terms of placement, enabling homeowners to heat different areas of their homes effectively. The heater operates using natural gas or propane, providing options for users based on their fuel availability and preferences.

The VN600BA is equipped with a powerful heating capacity, capable of delivering up to 30,000 BTUs per hour. This makes it suitable for heating spaces up to 1,000 square feet, ensuring comfortable temperatures during colder months. The adjustable thermostat feature allows for precise temperature control, enhancing user comfort while optimizing energy consumption. Additionally, it includes a safety pilot system that monitors the flame and automatically shuts off the gas flow in case of any irregularities, ensuring safety at all times.

The aesthetic appeal of the Desa VN600BA cannot be overlooked. With its sleek design and attractive finish, it complements different interior styles while serving as a functional heating solution. The heater also features a convenient control panel that allows users to operate the device with ease.

In terms of energy efficiency, the Desa VN600BA is designed to minimize waste while providing effective heating. Being vent-free, it utilizes the fuel it consumes more efficiently compared to traditional heating systems, translating to lower utility bills. Moreover, its design promotes complete combustion, which contributes to cleaner operation and reduced environmental impact.

In summary, the Desa VN600BA vent-free heater is characterized by its efficient heating capacity, flexible installation options, and user-friendly features. Its advanced safety systems, combined with an attractive design, make it a desirable choice for homeowners looking for a reliable and efficient heating solution. Whether for supplemental or primary heating, the VN600BA offers a compelling combination of performance and style, ensuring that it remains a preferred option in the market.
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