Harman PF-120 - Common Furnace Issues and Solutions

Harman® • PF-120 Owner’s Manual_R3 • 2014 -___ • 10/1422
3-90-08120c
B. Frequently Asked Questions
ISSUES SOLUTIONS
1. Metallicnoise. 1. Noiseiscausedbymetalexpandingandcontractingasit
heatsupandcoolsdown,similartothesoundproduced
byafurnaceorheatingduct.Thisnoisedoesnotaffect
theoperationorlongevityofyourappliance.
2. Whiteashbuilduponglass. 2. Thisisnormal.Cleantheglassusinganynon-abrasive
glasscleaner.
3. Glasshasbuildupofblacksoot 3. Excessive build-up of ash. See solution #4. The lower
burn settings will produce more ash, the higher burn
settingsproduceless.Themoreitburnsonlowthemore
frequentcleaningoftheglassisrequired.
4. Glasshasturneddirty. 4. Excessivebuild upof ash.Thelower burn settings will
producemoreash,thehigherburnsettingsproduceless.
Themoreitburnsonlowthemorefrequentcleaningof
theglassisrequired.
5. Firehastallameswithblacktailsandislazy. 5. Thefeedrateneedstobereducedortheburnpotneeds
cleaning. Heat exchanger or exhaust blower needs
cleaning.
6. Smokeystart-uporpuffsofsmokefromtheairwash. 6. Either the burnpot is dirty or there is too much fuel at
start-upandnotenoughair.
7. Largeameatstart-up. 7. This is normal. Flame will settle down once the re is
established.