Desa SMS24, SMS18 installation manual Troubleshooting, Observed Problem Possible Cause Remedy

Page 11

TROUBLESHOOTING

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

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

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

Log set is smoking/sooting

1.

Poor fuel quality

1.

Contact local natural gas

excessively (Note: It is natural

2.

Fireplace venting system not

 

company

and unavoidable for vented gas

2.

Adjust damper wide open

log sets to produce moderate

 

drafting properly

 

and/or have fireplace and vent-

levels of carbon (soot) where

 

 

 

ing professionally cleaned and

flames contact the logs.)

 

 

 

checked

 

3.

Excessive flame impingement

3.

Separate the logs to allow more

 

 

or blockage

 

flame passage

 

4.

Improper fuel/air mixture

4.

Remove any foreign items from

 

 

 

 

the flame pattern and/or check

 

 

 

 

for proper orifice sizing

 

5.

Excessive gas supply/pressure

5.

Preheat flue in very cold

 

 

 

 

weather

 

 

 

 

 

Burner is excessively noisy

1.

Passage of air/gas across ir-

1.

Relieve any tight bends or

(Note: The movement and com-

 

regular surfaces

 

kinks in gas supply line

bustion of gas will create low,

 

 

 

 

unavoidable levels of noise.)

 

 

 

 

 

 

 

 

 

Burner flame is too low or too

1.

Incorrect gas supply or

1.

Check for proper gas supply

high

 

pressure

 

pressure

 

2.

Blocked burner orifice or

2.

Free burner orifice and mani-

 

 

burner manifold ports

 

fold ports of any burrs, paint,

 

3.

Improper burner orifice size

 

or other blockage

 

3.

Verify proper burner orifice

 

 

 

 

sizing (see Figure 2, page 5)

117536-01B

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Contents Models SMS18 and SMS24 What to do if YOU Smell GASTable of Contents Safety Information Unpacking Product IdentificationLocal Codes Check GAS Type InstallationFlue Opening Specifications Venting Specifications for InstallationMasonry Fireplace Installing Damper ClampConnecting to GAS Supply Installation Items NeededTest Pressures In Excess Of 1/2 Psig 3.5 kPa Hearth KIT Assembly and InstallationKit Assembly Ramp Pan Burner Checking GAS ConnectionsAdding PAN Material Optional GA9200 Series ON/OFF Safety VALVE/PILOT KITTesting Burner for Leaks Installing the Grate and LogsGAS Shutoff Valve Operation For Your Safety Read Before LightingOperating Appliance Lighting InstructionsReplacement Parts Cleaning MaintenanceService Hints Technical ServiceObserved Problem Possible Cause Remedy TroubleshootingGas leak. See Warning Equipment Shutoff Valve GA5010 AccessoriesManual Control ON/OFF Safety VALVE/PILOT KIT GA9200 Illustrated Parts Breakdown Parts List Limited Lifetime Warranty Vented GAS Logs Warranty InformationKeep this Warranty