Trane QFNA-IOM-1 Fan User Manual


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Table14,asshownbelow,canbe
usedtodiagnoseapparent
problemsorfailuresinthefan.
Thistableisintendedasa
diagnosticaidonly.Fordetailed
diagnosticsandrepair,contactyour
localTraneServiceCompany.
QFNA-IOM-1 29
Troubleshooting
Table14 —FanTroubleshooting
Excessivevibrationornoise
(SeeTableinGeneral
Maintenancesection)
Bearingisexcessivelyhot
Note:Bearingsonhigh-speed
fanscanrun75° above
ambient
Loosefanbelt
Shortbeltlife
HPtoohigh
LowCFM
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