Motor Over Amps - Greenheck IG Installation, Operation And Maintenance Manual

Troubleshooting

Motor Over Amps

Air volume too high?
No
Actual static pressure
lower than design?
No
Blower rotation correct?
Yes
Motor voltage correct?
Yes
Motor horsepower too low?
No
Shorted windings in motor?
Yes
Everything is working
properly, consult factory.
®
Yes
Adjust drives or increase external
Yes
Adjust drives to reduce blower RPM.
No
No
Yes
Yes
static pressure as needed.
(Reference Blower Start-Up Step #5)
(Reference Blower Start-Up Step #5)
Reverse blower rotation.
(Reference Blower Start-Up Step #2)
Provide proper power supply.
(Reference Blower Start-Up Step #1)
Resize motor.
Replace motor.
Model IG / IGX Make-Up Air
47