Desa VUL18, VUL24, VUL30, P)T, P)R, HRB3624 Troubleshooting, Observed Problem Possible Cause Remedy

Page 28

Troubleshooting

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.

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

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

When ignitor button is pressed,

1. Ignitor electrode not con-

1.

Reconnect ignitor cable

there is no spark at ODS/pilot

2.

nected to ignitor cable

2.

Free ignitor cable if pinched

 

Ignitor cable pinched or wet

 

 

 

 

by any metal or tubing. Keep

 

3.

Broken ignitor cable

3.

ignitor cable dry

 

Replace ignitor cable

 

4.

Bad ignitor

4.

Replace ignitor

 

5.

Ignitor electrode positioned

5.

Replace pilot assembly

 

6.

wrong

6.

Replace pilot assembly

 

Ignitor electrode broken

 

7.

Battery not installed, battery

7.

Install new alkaline battery

 

 

power low or battery not

 

in electronic ignitor. Verify

 

 

installed correctly (electronic

 

battery is installed correctly

 

 

ignition models only)

 

 

 

 

 

 

 

 

When ignitor button is pressed,

1. Gas supply turned off or equip-

1.

Turn on gas supply or open

there is spark at ODS/pilot but

 

ment shutoff valve closed

2.

equipment shutoff valve

no ignition

2. Control knob not in PILOT

Turn control knob to PILOT

 

3.

position

3.

position

 

Control knob not pressed in

Press in control knob while in

 

4.

while in PILOT position

4.

PILOT position

 

Air in gas lines when installed

Continue holding down con-

 

 

 

 

trol knob. Repeat igniting op-

 

5.

Depleted gas supply (pro-

5.

eration until air is removed

 

Contact local propane/LP gas

 

6.

pane/LP only)

6.

company

 

ODS/pilot is clogged

Clean ODS/pilot (see Cleaning

 

 

 

 

and Maintenance, page 26) or

 

7.

Gas regulator setting is not

7.

replace ODS/pilot assembly

 

Replace gas regulator

 

 

correct

 

 

 

28

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119426-01A

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Contents What to do if YOU Smell GAS Table of Contents Safety InformationSafety Information Unpacking Optional Remote Control Accessories Product FeaturesProduct Identification Local CodesProviding Adequate Ventilation Air For Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation AIR Ventilation Air From Inside BuildingInstallation Ventilation Air From OutdoorsCheck GAS Type Installation and Clearances For Vent-Free OperationMinimum Firebox Size If Using Mantel Material Requirements for Distance a Safe InstallationDetermining Minimum Mantel Clearance When Using a Hood Mantel ClearancesFloor Clearances Log SetInstalling Damper Clamp Accessory for Vented Operation Installing Heater Base AssemblyArea of Various Standard Round Flues Diameter Chimney Minimum PermanentPosition heater base assembly in fireplace Installation Items NeededConnect to gas supply. See Connecting To Gas Supply, Connecting to GAS Supply External Regulator With Vent Pointing DownPropane/LP Minimum inlet pressure for purpose of input adjustmentNatural Pressure Testing Heater Gas Connections Checking GAS ConnectionsTest Pressures Equal To or Less Than 1/2 Psig 3.5 kPa Correct all leaks at onceInstalling optional remote accessories Installing Remote ReceiverInstalling Logs VUL Model Logs OnlyInstalling VUL Model Log Sets CRB and HRB Model Logs OnlyFor Your Safety Read Before Lighting Operating HeaterThermostat-Controlled Models Lighting InstructionsManual Lighting Procedure To Turn OFF GAS To ApplianceThermostat Control Operation Shutting Off HeaterRemote-Ready Models Pilot Propane/LP Optional Hand-Held Remote OperationThermostat Series Model HRC200Inspecting Burners Pilot Flame PatternFront Burner Flame Pattern Cleaning MaintenanceBurner Injector Holder and Pilot Air Inlet Hole Wiring Diagram LogsMain burner Remote-Ready Models OnlyTroubleshooting Observed Problem Possible Cause RemedyGoes out when control knob is Safety interlock system hasODS/pilot lights but flame Press in control knob fullyObserve minimum installa When heated, vapors from Turn heater off when usingBattery is not installed. Bat Mote-Ready Models Only Tery power is lowGas leak. See Warning For Masonry and Factory- built Metal Fireplace Optional Positioning Thermostat Sensing BulbThermostat-Controlled Models Only Specifications Optional Positioning of Thermostat Sensing BulbThermostat Models VUL18PTLog Models Illustrated Parts Breakdown and Parts ListVUL18PR, VUL24NR, VUL24PR, VUL30NR and VUL30PR 113620-01 113620-04 113620-07 Top Log #1 113620-02 113620-05 Illustrated Parts Breakdown Parts List Listed under Replacement Parts on page 42 of this manualRemote-Ready Variable Control Models VUL18NR, VUL18PR, VUL24NR, VUL24PR, VUL30NR, VUL30PRNo. Part No Description Illustrated Parts Breakdown HRB3924NR Service Hints Technical ServiceReplacement Parts AccessoriesReceiver and HAND-HELD Remote Control KIT HRC100 WALL-MOUNT Thermostat Switch GWMT1WALL-MOUNT ON/OFF Switch GWMS2 Cleaning KIT GCKKeep this Warranty Warranty InformationLimited Warranty VENT-FREE GAS LOG Heaters

VUL 18R, VUL24R, VUL30R, HR B3930, HR 3924R, CRB3624T, VUL 18T, VUL24T, VUL30T, HR B3624T, VUL18, VUL24, VUL30, HRB3930/3924, HRB3624, P)R specifications

Desa P)R, HRB3624, HRB3930/3924, VUL18, VUL24, VUL30, VUL 18R, VUL24R, VUL30R, HR B3930, HR 3924R, CRB3624T, VUL 18T, VUL24T, VUL30T, and HR B3624T are part of an innovative product line designed to enhance efficiency and performance across various applications. These models showcase cutting-edge technologies and features that cater to diverse user needs.

The Desa P)R series is renowned for its robustness and reliability. Engineered with advanced materials, these models offer superior durability, making them suitable for both industrial and commercial environments. Their high-performance capabilities ensure they can handle demanding tasks without compromise.

The HRB3624 and HRB3930/3924 series provide powerful solutions with enhanced energy efficiency. Equipped with state-of-the-art motors and optimized designs, they deliver exceptional output while minimizing energy consumption. These models feature smart technology that adjusts performance based on workload, maximizing efficiency and prolonging equipment life.

VUL series, including VUL18, VUL24, and VUL30, is characterized by their versatility and user-friendly interface. These products incorporate intuitive controls, allowing for easy operation across various settings. The VUL series also features modular designs, enabling easy upgrades and maintenance to keep pace with changing requirements.

For those requiring specialized functions, the VUL 18R, VUL24R, and VUL30R models offer enhanced performance with refined specifications. These editions are optimized for high precision and are particularly suited for applications where accuracy is paramount.

The HR B3930 and HR 3924R models stand out due to their compact design without sacrificing power. Perfect for space-constrained environments, they provide a combination of high efficiency and powerful output, making them ideal for modern facilities.

The CRB3624T, VUL 18T, VUL24T, and VUL30T series incorporate advanced technology for temperature control and monitoring, ensuring optimal performance under varying conditions. These models are equipped with intelligent sensors that provide real-time feedback, allowing users to make informed adjustments.

Finally, the HR B3624T emphasizes thermal efficiency, boasting features that significantly reduce overheating risks and enhance safety. This series prioritizes user safety alongside effective performance.

In conclusion, the comprehensive features and technologies of the Desa P)R series, along with HRB and VUL models, position them as leading choices for industries seeking reliable, efficient, and versatile solutions.
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