User guide

1188
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– O
ne phase of power line disconnected Connect power leads properly
– One phase of stator line open Contact factory
– Bearing(s) defective Change defective bearing(s)
– Impeller jammed by foreign material Clean impeller
– Impeller jammed against casing or Adjust gap
side cover
– Rubbing of rotor core and stator core Contact factory
– Capacitor open (single-phase models) Change capacitor
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– Two phases of power line disconnected Connect power leads properly
– Two phases of stator winding open Contact factory
– Faulty switch connection Change switch
– Fuse blown Change fuse
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– Fuse capacity insufficient, wiring fault Inspect wiring
– Short circuit Repair
– Terminals shorted Improve insulation and check
connections
– Excessive load Increase air flow
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– Power source unbalance; possible Check voltage; phases must be
voltage drop balanced within 5% and voltage must
be within 10% of rated
– Operating in single-phase condition Check connections
– Excessive friction due to defective bearings Replace bearings
– Impeller contaminated by foreign material Clean impeller
– Impeller rubbing against casing or side cover Adjust gap
– Operation at less than minimum rated flow Increase air flow
– Inlet air filter clogged Clear or replace element
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– Impeller rubbing against casing or side cover Adjust gap
– Impeller rubbed by foreign material Clean impeller
– Bearing(s) defective Replace bearings
– There is a leak or air passages are clogged Repair or clean
– Loose cap screw Tighten screw
– Air channel noise absorber foam damaged Replace absorbers
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TThhee SSppeenncceerr TTuurrbbiinnee CCoommppaannyy
◆ 600 Day Hill Road, Windsor, CT 06095 ◆ TEL [phone] ◆ 860-688-8361 ◆ www.spencerturbine.com