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TROUBLESHOOTING CHART (continued)
PROBLEM POSSIBLE CAUSE(S} CORRECTIVE ACTION
SLOWHOTWATERRECOVERY 1. Insufficientsecondaryair 1.
DRIPFROMRELIEFVALVE
THERMOSTATFAILSTOSHUT
OFF
COMBUSTIONODORS
2,
3.
SMOKINGANDCARBON 1.
FORMATION(SOOTING)
CONDENSATION
BURNERFLAMEFLOATSAND
LIFTS OFFPORTS
Provideventilationtowaterheater.Checkflueway
Fluebaffleand burner
2. Cleanflue,locatesourceandcorrect
3. Checkwith gasutilitycompany
4. Replacethermostat
5, Turntemperaturedialtodesiredsetting
6. Installadequateheater
7, Correctpiping-diptubemustbeincoldinlet
8. Advisecustomer
1. Useapressurereducingvalveand reliefvalve
2. Lowerthethermostatsetting
3. See"ClosedSystem/ThermalExpansion"
1. Replacethermostat
2. Replacethermostat
1. Provideventilationtowaterheater.Checkflue
way,fluebaffle,burner
Clean,locatesourceandcorrect
Providefreshairventilation
2. Flueclogged
3. Lowgas pressure
4. Impropercalibration
5, Thermostatsettoolow
6. Waterheatertoosmall
7, Wrongpipingconnections
8. Wastedhotwater
1. Excessivewaterpressure
2. Heaterstacking
3. Closedwatersystem
1. Defectivethermostat
2. Impropercalibration
1. Insufficientsecondaryair
2. Flueciogged
3. HeaterinstaItedin a confinedarea
1. Insufficientsecondaryair
2. Lowgas pressure
3. Flueclogged
4. Defectivethermostat
5, Heaterinstalledin aconfinedarea
6. Burnerflameyellow-lazy
1. Temperaturesettingtoo low
1. Orificetoolarge
2. Highgaspressure
3. Flueclogged
4. Colddrafts
1. Orificetoo large
1. Defectivethermostat
2. Lowgas pressure
1. Pilottineororifice clogged
2. Lowgas pressure
Provideventilationtowaterheater.Checkflueway,
flue baffle,burner
2. Checkwith gasutilitycompany
3. Clean,locatesourceandcorrect
4. Replacethermostat
5, Providefreshairventilation
6. See"BurnerFlameYellow-Lazy"
1. Increasethetemperaturesetting
1. Replacewithcorrectorifice
2. Checkwith gasutilitycompany
3. Cleanflueand burner-locatesource& correct
4. Locatesourceand correct
BURNERFLAMETOOHIGH 1. Replacewithcorrectorifice
FLAMEBURNSATORIFICE 1. Replacethermostat
2. Checkwith gasutilitycompany
PILOTFLAME 1. Clean,locatesourceandcorrect
TOOSMALL 2. Checkwith gasutilitycompany
26
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