Hearth and Home Technologies SL-750TV-D Troubleshooting, Standing Pilot Ignition System

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14 Troubleshooting

With proper installation, operation, and maintenance your gas appliance will provide years of trouble-free service. If you do experience a problem, this troubleshooting guide will assist a qualified service person in the diagnosis of a problem and the corrective action to be taken. This troubleshooting guide can only be used by a qualified service technician.

A. Standing Pilot Ignition System

Symptom

Possible Causes

Corrective Actions

 

 

 

1. After repeated

a. Defective ignitor.

Check the spark at the electrode and pilot. If no spark and electrode wire

triggering of the

 

is properly connected, replace the ignitor.

red or black piezo

 

 

ignitor button, the

 

 

b. Defective pilot

Using match, light the pilot. If the pilot lights, turn off the pilot and trigger

spark ignitor will not

or misaligned

the red piezo ignitor button again. If the pilot lights, an improper gas/air

light the pilot.

electrode (spark at

mixture caused the bad lighting and a longer purge period is recom-

 

 

electrode).

mended. If the pilot will not light, ensure the gap at the electrode and pilot

 

 

is one-eighth (1/8) inch to have a strong spark. If the gap is OK, replace

 

 

the pilot.

 

c. No gas or low

Check the remote shut-off valves from the fireplace. Usually, there is a

 

gas pressure.

valve near the gas main. There can be more than one (1) valve between

 

 

the fireplace and the main.

 

d. No LP in tank.

Check the LP (propane) tank. You may be out of fuel.

 

 

 

2. The pilot will not

a. Defective ther-

Check that the pilot flame impinges on the thermocouple. Clean and/or

stay lit after care-

mocouple.

adjust the pilot for maximum flame impingement.

fully following the

 

 

lighting instructions.

 

Ensure that the thermocouple connection at the gas valve is fully inserted

 

 

and tight (hand tighten plus 1/4 turn).

 

 

Disconnect the thermocouple from the valve, place one millivolt meter

 

 

lead wire on the tip of the thermocouple and the other meter lead wire on

 

 

the thermocouple copper lead. Start the pilot and hold the valve knob in. If

 

 

the millivolt reading is less than 15mV, replace the thermocouple.

 

b. Defective valve.

If the thermocouple is producing more than 15 millivolts, replace faulty

 

 

valve.

3. The pilot is

a. ON/OFF switch

Check the ON/OFF switch and wires for proper connections. Place the

burning, there is

or wires defective.

jumper wires across the terminals at the switch. If the burner comes on,

no burner flame,

 

replace the defective switch. If the switch is OK, place the jumper wires

the valve knob is

 

across the switch wires at the gas valve. If the burner comes on, the wires

in the ON position,

 

are faulty or connections are bad.

and the ON/OFF

 

 

b. Thermopile may

If the pilot flame is not close enough physically to the thermopile, adjust

switch is in the ON

not be generating

the pilot flame.

position.

sufficient millivolt-

 

 

 

 

age.

Be sure the wire connections from the thermopile at the gas valve termi-

 

 

nals are tight and that the thermopile is fully inserted into the pilot bracket.

 

 

Check the thermopile with a millivolt meter. Take the reading at TH-

 

 

TP&TP terminals of the gas valve. The meter should read 325 millivolts

 

 

minimum, while holding the valve knob depressed in the pilot position,

 

 

with the pilot lit, and the ON/OFF switch in the OFF position. Replace the

 

 

faulty thermopile if the reading is below the specified minimum.

 

 

With the pilot in the ON position, disconnect the thermopile leads from

 

 

the valve. Take a reading at the thermopile leads. The reading should be

 

 

325 millivolts minimum. Replace the thermopile if the reading is below the

 

 

minimum.

 

 

 

Heat & Glo • SL-550 / 750 / 950TV-D • 2053-985 Rev. H • 9/06

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Contents What to do if you smell gas Homeowner Reference Information CongratulationsTable of Contents Models 1Listing and Code ApprovalsGlass Specifications BTU SpecificationsCombustible Materials Specification High Altitude InstallationsNon-Combustible Materials Specification Getting Started Design and Installation ConsiderationsNegative Pressure Inspect Appliance and Components Tools and Supplies NeededSelecting Appliance Location Framing and ClearancesClearances Constructing the Appliance ChaseClearances to Mantels or other Combustibles above Appliance Mantel ProjectionsVent Termination Minimum Clearances Termination LocationsVent System Configuration Vent Information and DiagramsVent Guidelines Minimum Vertical Feet Vertical Penetration Framing Vent Clearances and FramingPipe Clearances to Combustibles Gas and Electrical Connections Installing Outside Air Kit Damper AssemblyAppliance Preparation Proper Positioning, Leveling and Securing of a Securing and Leveling ApplianceAttaching Vent to Firebox Installing Vent PipeAssembly of Vent Sections Securing Vent SectionsPressure Natural Gas Propane Gas InformationFuel Conversions Gas Connection Gas PressuresHigh Altitude Installations Optional Accessories Requirements Recommendation for WireConnecting to the Appliance Intellifire Ignition System WiringGround to Standing Pilot Ignition System WiringWall Switch Installation for Fan Optional Junction Box InstallationFacing Material FinishingRemove Shipping Materials Appliance SetupClean the Appliance AccessoriesPositioning the Logs Log Set Assembly LOGS-SL550-D Models SL-550TV-DTAB Locator Log Set Assembly LOGS-SL750-D Models SL-750TV-D, SL-950TV-D Notches Raised Flat Spots Grilles and Trim Glass AssemblyShutter Settings Screen MeshBefore operating this appliance have a qualified technician Operating InstructionsBefore Lighting Appliance Check Appliance DraftIntellifire Ignition Lighting ApplianceStanding Pilot Ignition For Your Safety Read Before Lighting InstructionsAfter Appliance is Lit Frequently Asked QuestionsInitial Break-in Procedure Standing Pilot Ignition System TroubleshootingSymptom Possible Causes Corrective Actions Symptom Possible Cause Corrective Action TroubleshootingIntellifire Ignition System Symptom Possible Causes Corrective Actions Before servicing Maintaining and Servicing ApplianceInspect Maintenance Tasks Reference Materials Appliance Dimension DiagramAppliance Dimensions Table Log Set Assembly Service PartsAdditional service part numbers may appear on the following Service Parts ListSL-750TV-D SL-750TV-D 151 SL-950TV-DSL-950TV-D SL-550 / 750 / 950TV-D-IPI Common Parts Serial # Part Number SL-550 / 750 / 950TV-D 10-06 530-510A Limited Lifetime Warranty Heat & GLO GAS Appliance Products Limited Lifetime WarrantyDo not Discard this Manual Contact Information

SL-950TV-D, SL-750TV-D, SL-550TV-D, SL-550TV-IPI-D, SL-950TV-IPI-D specifications

Hearth and Home Technologies offers an impressive range of gas fireplaces with the SL-750TV-IPI-D, SL-950TV-IPI-D, SL-550TV-IPI-D, SL-550TV-D, and SL-750TV-D models. Each of these fireplaces showcases innovative design, outstanding performance, and advanced technology, making them a perfect choice for any modern home.

The SL-750TV-IPI-D is known for its large viewing area, providing a spectacular flame presentation that is both customizable and efficient. Its advanced IntelliFire® ignition system ensures reliable and easy operation, minimizing the need for manual ignition. This model also offers a balanced flue design that allows for flexible installation options, enhancing its versatility.

Similarly, the SL-950TV-IPI-D boasts a larger firebox, providing even more impressive heat output and increased aesthetics. Its high-efficiency rating ensures that energy consumption is kept low while delivering warmth. This model also utilizes the IntelliFire system, but it is enhanced with LED accent lighting, creating an inviting atmosphere while complementing the fireplace’s flickering flames.

On the smaller end of the spectrum, the SL-550TV-IPI-D combines compact design with remarkable efficiency. Its direct vent technology offers excellent venting options, allowing installation in various locations without compromising on performance. Equipped with adjustable flame settings, homeowners can tailor the experience to their liking, creating the perfect ambiance for any occasion.

The SL-550TV-D model takes a similar approach but focuses on traditional control mechanisms. This version allows users to manage the fireplace with ease through a manual control system while still maintaining the benefits of direct vent technology.

Lastly, the SL-750TV-D version offers a grand fireplace experience. It features a stunning glass front and can serve as a stunning focal point in larger living spaces. The model's durability is paired with elegant aesthetics, ensuring clients receive not just a heating solution but also a piece of art.

Collectively, all five models prioritize efficiency, design, and user-friendly features, ensuring that Hearth and Home Technologies delivers high-performing solutions that meet varied homeowner needs while offering the flexibility of installation and styles that fit seamlessly into any environment. Whether seeking warmth, style, or both, these fireplaces are worthy investments that enhance home living.
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