Desa FGHS30NGB installation manual Troubleshooting, Observed Problem Possible Cause Remedy

Page 14

BLUE FLAME NATURAL GAS HEATER

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 and un- plug heater and let cool before servicing. Only a qualified ser- vice 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 electrode positioned wrong

1.

Replace ignitor

spark at ODS/pilot

2.

Ignitor electrode broken

2.

Replace ignitor

 

3.

Ignitor electrode not connected to igni-

3.

Reconnect ignitor cable

 

 

tor cable

 

 

 

4.

Ignitor cable pinched or wet

4.

Free ignitor cable if pinched by any

 

 

 

 

metal or tubing. Keep ignitor cable dry

 

5.

Broken ignitor cable

5.

Replace ignitor cable

 

6.

Bad piezo ignitor

6.

Replace piezo 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. Re-

 

 

 

 

peat igniting operation until air is removed

 

5.

ODS/pilot is clogged

5.

Clean ODS/pilot (see Cleaning and

 

 

 

 

Maintenance, page 13) 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 13) 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

14

107340

Image 14
Contents OWNER’S Operation and Installation Manual FGHS30NGB What to do if YOU Smell GASSafety Information Blue Flame Natural GAS HeaterLocal Codes Product FeaturesProduct Identification UnpackingUnusually Tight Construction AIR for Combustion and VentilationProviding Adequate Ventilation Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Locate heater where moving ve- hicle will not hit it InstallationInstallation Items Check GAS TypeInstalling Heater to Wall Installing Thermostat Sensing BulbPlacing Heater On Mounting Bracket Installing Bottom Mounting ScrewsAttaching Mounting Bracket To Wall Connecting to GAS Supply Typical Inlet Pipe DiametersPressure Testing Heater Gas Connections For Your Safety Read Before LightingPressure Testing Gas Supply Piping System Operating HeaterTo Turn OFF GAS To Appliance Manual Lighting ProcedureLighting Instructions Thermostat Control OperationCleaning and Maintenance Inspecting BurnerTroubleshooting Observed Problem Possible Cause RemedyMaintenance, Top Gas leak. See Warning statement atSpecifications Parts CentralsThermostat Model FGHS30NGB ODS/Pilot AssemblyIllustrated PARTS8 Breakdown Parts List KEY Part Number Description QTYTechnical Service Replacement PartsService Hints Service Publications Accessories107340 Warranty Information

FGHS30NGB specifications

The Desa FGHS30NGB is a leading model in the world of portable propane gas heaters, widely renowned for its exceptional performance, advanced features, and versatile applications. Designed to provide efficient heating, this model delivers warmth where it is needed most, perfect for both indoor and outdoor environments.

One of the standout features of the FGHS30NGB is its powerful heating capability, boasting an output of 30,000 BTUs. This makes it ideal for quickly warming up large spaces, whether that be a workshop, garage, or patio. The unit is designed with an adjustable heat setting, allowing users to customize their heating preferences according to their specific needs.

Another significant aspect of the FGHS30NGB is its safety features. The unit is equipped with a built-in automatic shut-off system that activates when the heater is tipped over or does not detect oxygen, ensuring peace of mind during usage. Additionally, the unit is designed with a sturdy and durable construction, making it suitable for outdoor use as well.

The FGHS30NGB incorporates modern technologies that enhance its efficiency. It features an innovative combustion system that allows for optimal fuel utilization, minimizing emissions and maximizing heat output. This not only makes it environmentally friendly but also economical for users, as they can expect reduced operational costs.

Portability is a key characteristic of the FGHS30NGB. It comes with a convenient handle and lightweight design, making it easy to transport from one location to another. Whether you're heading to a construction site or enjoying a weekend camping trip, this portable heater provides the flexibility needed for various situations.

In terms of design, the FGHS30NGB is both functional and aesthetically pleasing. Its compact size ensures it fits comfortably in tight spaces, while its modern look allows it to blend seamlessly with different decor styles.

In summary, the Desa FGHS30NGB propane heater is an excellent choice for anyone seeking reliable, efficient, and portable heating solutions. Its powerful performance, advanced safety features, and user-friendly design make it a top contender in today’s market, offering unmatched versatility for an array of heating needs.