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Goodman · Furnace

Eb6 Blower motor over/under voltage or over temperature

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

What the control is telling you

The motor shut itself down because of line voltage out of range or an over-temperature on the power module.

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

Likely causes

  • High line voltage
  • Low line voltage
  • High ambient temperature

Test and repair steps

  1. Turn off power before touching wiring or the board.
  2. Measure line voltage at the furnace and compare to the rating plate range.
  3. If the voltage is good, replace the motor with the correct part.
  4. Use the memory card for the model if the shared data is in question.

Settings for these units

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

  • 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
  • Eb5 Blower motor locked rotor
  • Eb7 Blower motor missing parameters
  • Eb9 Inadequate airflow
  • Ec1 Network communication alarm
  • Ec2 E-module 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.