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Goodman Amana AMEC80 - User Manual

Goodman Amana AMEC80
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RS6621005
October 2019
This manual is to be used by qualied, professionally trained HVAC technicians only. Goodman does not as-
sume any responsibility for property damage or personal injury due to improper service procedures or services
performed by an unqualied person. The material in this manual does not supercede manufacturers installation
and operation instructions.
Copyright© 2019 Goodman Company, L.P.
Service Instructions
Goodman
®
Brand GMEC80/GCEC80
& Amana
®
Brand AMEC80/ACEC80
Two Stage Furnace
with multi-speed ECM Motor
®
is a registered trademark of Maytag Corporation or its related companies
and is under license to Goodman Company, L.P., Houston, TX, USA. All rights reserved.
®
Only personnel that have been trained to install, adjust, ser-

in this manual should service the equipment. The manufac-
turer will not be responsible for any injury or property dam-
age arising from improper service or servide procedures.
If you service this unit, you assume responsibility for any
injury or property damage which may result. In addition, in
jurisdictions that require one or more licenses to service the

should servise the equipment.
Improper installation, adjustment, servicing or repair of the


manual without proper training may result in product dam-
age, property damage, personal injury or death.
WARNING
-
www.P65Warnings.ca.gov
PROP 65 WARNING
FOR CALIFORNIA CONSUMERS
0140M00517-A
WARN ING

Questions and Answers

  • E
    Ellen WilliamsAug 20, 2025
    Why does my Goodman Amana AMEC80 Furnace fail to operate?
    • E
      Elizabeth JohnsAug 20, 2025
      Your Goodman furnace might not be working due to several reasons: * A defective disconnect switch. * A defective door switch. * No 115 volt power. * No 24 volt power. To resolve this, determine the cause and restore the proper high and low volt power supply.
  • C
    Charles AlexanderAug 22, 2025
    What to do if my Goodman Amana AMEC80 Furnace shows ten Red flashes on the control board?
    • B
      bedwardsAug 22, 2025
      If your Goodman furnace displays ten Red flashes on the control board, it indicates that gas valve current is detected with no call for heat. Ensure the gas valve isn't receiving voltage from an electrical short. If the valve wiring is correct, you may need to replace the control board.
  • M
    Melissa WoodsAug 25, 2025
    What does it mean when my Goodman Amana AMEC80 shows five Red flashes on the control board?
    • D
      David KochAug 25, 2025
      Five Red flashes on the control board of your Goodman furnace indicates that the limit & rollout circuit has been open for 15 minutes, potentially due to an open control board fuse or rollout switch. Confirm electrically safe condition before proceeding with repairs.
  • J
    Justin CarpenterAug 26, 2025
    What does it mean when my Goodman Amana AMEC80 Furnace shows four Red flashes on the control board?
    • J
      Jimmy WatsonAug 26, 2025
      If your Goodman furnace displays four Red flashes on the control board, it means there is an open limit circuit, which could be the main limit, aux limit, or roll out switch. Confirm electrically safe condition before proceeding with repairs.
  • K
    Kristina JohnsonAug 27, 2025
    What does it mean when my Goodman Amana AMEC80 Furnace shows seven Red flashes on the control board?
    • V
      vanessa89Aug 27, 2025
      If your Goodman furnace shows seven Red flashes on the control board, it signifies a lockout due to excessive retries from flame not being proven during trial for ignition. Confirm electrical and gas safe conditions before proceeding with repairs.
  • M
    Mitchell PetersAug 29, 2025
    What does it mean when my Goodman furnace shows six Red flashes on the control board?
    • M
      Melanie MartinAug 30, 2025
      If your Goodman furnace shows six Red flashes on the control board, it indicates a pressure switch cycling lockout, meaning the pressure switch has opened 5 times in the same heating cycle. Confirm electrically safe condition before proceeding with repairs.
  • M
    Michael BakerAug 31, 2025
    What does it mean when my Goodman furnace shows one Red flash on the control board?
    • W
      wilsonrachelSep 1, 2025
      If your Goodman furnace displays one Red flash on the control board, it means that flame is sensed when no flame should be present. Confirm electrical and gas safe conditions before proceeding with repairs.
  • F
    Francisco KirkSep 2, 2025
    Why is my Goodman furnace showing rapid Amber flashes on the control board?
    • B
      burgesskirkSep 2, 2025
      Rapid Amber flashes on your Goodman furnace's control board indicate a low flame sense current. Clean the flame rod with steel wool. Confirm electrically safe condition before proceeding with repairs.
  • M
    Matthew BowmanSep 4, 2025
    What does it mean when my Goodman furnace shows three Amber flashes on the control board?
    • P
      Pamela FernandezSep 4, 2025
      If your Goodman furnace displays three Amber flashes on the control board, it means there is a W2 call present without W1. Confirm electrically safe condition before proceeding with repairs.
  • O
    Omar PonceSep 6, 2025
    What does it mean when my Goodman Amana AMEC80 Furnace shows four Amber flashes on the control board?
    • C
      Carmen ShannonSep 6, 2025
      If your Goodman furnace displays four Amber flashes on the control board, it indicates that Ylo or Y call is present without G. Confirm electrically safe condition before proceeding with repairs.

Summary

Service Instructions

Important Information

For Your Safety Read Before Operating

Essential safety precautions and warnings for operating the furnace.

Operating Instructions

Step-by-step guide for safely operating the furnace.

To Turn Off Gas to Appliance

Procedure for safely shutting off the gas supply to the furnace.

System Operation

Circulator Blower Speed Adjustment

How to adjust the blower speed for optimal performance.

Dip Switch Settings

Configuration options using DIP switches on the control board.

Sequence of Operation

Detailed explanation of the furnace's operational steps and cycles.

Heat Mode

Operational steps and conditions for the heating mode.

Servicing

Checking Air Circulator Blower Motor (Multi-Speed ECM Motor)

Procedure for testing the multi-speed ECM circulator blower motor.

Checking Temperature Rise

Procedure for measuring and adjusting temperature rise.

Checking Gas Valve (Redundant)

Troubleshooting and testing the redundant gas valve.

Gas Manifold Pressure Measurement and Adjustment

Procedure for measuring and adjusting gas manifold pressure.

Checking Integrated Ignition Control Boards

Diagnosing issues with the integrated ignition control board.

Checking Flame Sensor

Procedure for testing the flame sensor for combustion proof.

Troubleshooting

Diagnostic Chart

Reference chart for LED flash codes and their associated faults.

Fault Recall

Procedure for retrieving and clearing fault codes from the control board.

Goodman Amana AMEC80 Specifications

General IconGeneral
ModelAMEC80
TypeGas Furnace
Efficiency Rating80% AFUE
Heating Capacity40, 000-120, 000 BTU/h
Blower MotorMulti-Speed
Warranty10-Year Parts Limited Warranty; Lifetime Heat Exchanger Limited Warranty
Fuel TypeNatural Gas or Propane
Blower Motor TypePSC
Heat ExchangerAluminized Steel Tubular
StagesSingle-stage

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