Goodman · Furnace

Eb5 Blower motor locked rotor

High severity Goodman/Amana *MVC96 (34.5 in. chassis)

What the control is telling you

The motor failed to start 10 times in a row.

Applies to: GMVC96, GCVC96, AMVC96, ACVC96 (*BA, ComfortBridge)

Likely causes

Something stuck in the blower housing
Seized motor bearings
Failed motor

Test and repair steps

Turn off power before touching wiring or the board.
Look in the blower housing for obstructions and clear them.
If the wheel or motor is bad, replace it with the correct part.

Settings for these units

Normal status displays (7-segment) · Goodman/Amana GM9S96/AM9S96
Normal status displays (7-segment) · Goodman/Amana GM9S80/AM9S80
Normal status displays (7-segment) · Goodman/Amana GM9C96/AM9C96
Minimum recommended filter size · Goodman/Amana GM9C96/AM9C96

Models that show this code

16 models in Goodman/Amana *MVC96 (34.5 in. chassis)

*CVC960403BNB**CVC960603BNB**CVC960804CNB**CVC961005CNB**CVC961205DNB**MVC960403BNB**MVC960603BNB**MVC960803BNB**MVC960804CNB**MVC961005CNB**MVC961005DNB**MVC961205DNB*ACVC96AMVC96GCVC96GMVC96

Other codes on the same units

Eb1 Lost communication with blower motor
Eb2 Blower motor hp does not match model data
Eb3 Blower motor running in power, temperature or speed limit
Eb4 Blower motor current trip or lost rotor control
Eb6 Blower motor over/under voltage or over temperature
Eb7 Blower motor missing parameters
Eb9 Inadequate airflow
Ec1 Network communication alarm

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Source: Goodman Service and Troubleshooting ACVC96*BA/AMVC96*BA/GCVC96*BA/GMVC96*BA , Alarm Code Table p.56 / Troubleshooting Chart p.63. Summarized in our own words; check the original manual for your model.

Homeowner looking at this code? See what it means for you and when to call a technician.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.