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E13 Redundant relay stuck closed

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

What the control is telling you

Alarm table lists this as a redundant relay stuck closed. The manual gives no causes or fixes for it.

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

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

  • E12 Redundant relay open
  • Eb0 Blower motor not running
  • 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
  • Eb5 Blower motor locked rotor
  • Eb6 Blower motor over/under voltage or over temperature

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Source: Goodman Service and Troubleshooting ACVC96*BA/AMVC96*BA/GCVC96*BA/GMVC96*BA , Alarm Code Table p.56 / Alarm Code Table p.56. 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.