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Goodman GMVC950905CX Error Codes

Updated · by Aurora Star Tech Inc.

Goodman GMVC950905CX error codes and diagnostic codes (also listed as AMVC950905CX, *MVC950905CX). The GMVC950905CX is a Goodman furnace in the Goodman/Amana *MVC95/*CVC9 two-stage ComfortNet series.

Homeowner with a furnace problem? Call (647) 657-2977 or book a service call — licensed technicians across Vaughan and the GTA.

Goodman GMVC950905CX error codes list

CodeMeaningSeverity
88Power-up self checkLow
b0Blower motor not runningHigh
b1Lost communication with blower motorHigh
b2Blower motor size does not match model dataMedium
b3Blower motor limiting (power, temperature or speed)Medium
b4Blower motor trip (lost rotor control or high current)High
b5Blower motor locked rotorHigh
b6Blower motor over/under voltage or over temperatureHigh
b7Blower motor missing parametersMedium
b9Low indoor airflowMedium
C1Low-stage coolingLow
C2High-stage coolingLow
CFM readoutAirflow number (CFM / 100)Low
d0No shared data on the controlHigh
d4Memory card data rejectedMedium
E0Lockout - ignition failed 3 timesHigh
E1Low-stage pressure switch closed at start of heatMedium
E2Low-stage pressure switch will not closeHigh
E3High limit or rollout limit openHigh
E4Flame sensed with no call for heatCritical
E5Control fuse openMedium
E6Low flame signalLow
E7Igniter circuit faultHigh
E8High-stage pressure switch closed at start of heatMedium
E9High-stage pressure switch will not closeMedium
EA115 V polarity reversedHigh
FContinuous fanLow
HIHigh-stage heatLow
L0Low-stage heatLow
OPNormal - waiting for a callLow
Red LED 1 flashRed communications LED 1 flash - communication failureMedium
Red LED 2 flashesRed communications LED 2 flashes - reset in progressLow
Red LED offRed communications LED off - normalLow
Rx LED 1 steady flashGreen receive LED single steady flash - no network foundLow
Rx LED offGreen receive LED off - no power or communications errorMedium
Rx LED on solidGreen receive LED on solid - data lines miswired or shortedMedium
Rx LED rapid flashGreen receive LED rapid flashing - normal network trafficLow

Troubleshooting the GMVC950905CX

All Goodman Furnace error codes →

Homeowner help: Furnace Not Turning On: What to Check · Furnace Blinking Light: What the Flash Codes Mean

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

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