beautypg.com

Troubleshooting, Motor overamps – Greenheck DG / DGX with Direct Spark (470652) User Manual

Page 26

background image

Direct Spark Ignition Make-Up Air

26

®

Troubleshooting

Motor Overamps

Air volume too high?

Adjust drives or increase external

static pressure as needed.

(Reference Blower Start-Up – Step #5)

Motor horsepower too low?

Resize motor.

Motor voltage correct?

Provide proper power supply.

(Reference Blower Start-Up – Step #1)

Blower rotation correct?

Reverse blower rotation.

(Reference Blower Start-Up – Step #2)

Actual static pressure

lower than design?

Adjust drives to reduce blower RPM.

(Reference Blower Start-Up – Step #5)

No

No

Yes

Yes

Yes

Yes

No

Yes

No

No

Shorted windings in motor?

Replace motor.

Yes

Everything is working

properly, consult factory.

Yes