Bell & Gossett P2002290A Series e-90 ECM Motor IOM - Manual (Page 10)

Ɣ Check the circuit breaker for trips or accidental shutoff.
Ɣ Verify that the cables and power cord are securely connected to the control
unit connectors.
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or other damage.
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signs of damage.
Ɣ Inspect the shaft and verify that the motor shaft spins freely by hand in both
directions without effort.
Motor Rattles or Makes Excessive Noise
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PerfectSpeed
® motors and the PerfectSpeed User Interface box. It does not
override or replace instructions suggested by the manufacturer of the fluid
circulating system.
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steps listed in the %DVLF7URXEOHVKRRWLQJRIWKH0RWRUVHFWLRQ¿UVW,IDSUREOHPVWLOO
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proceed to the Motor and Control Unit Diagnostics section for additional testing
instructions.
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Always begin your inspection of the motor by stepping through this section.
NOTICE
8