HVACopediaGoodman · Furnace
Red LED off Red communications LED off - normal
What the display is showing
No network problem seen.
Applies to: GMVC95/AMVC95 upflow and *CVC9 counterflow two-stage furnaces
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
10 models in Goodman/Amana *MVC95/*CVC9 two-stage ComfortNet
Other codes on the same units
- HI High-stage heat
- OP Normal - waiting for a call
- Red LED 1 flash Red communications LED 1 flash - communication failure
- Red LED 2 flashes Red communications LED 2 flashes - reset in progress
- Rx LED 1 steady flash Green receive LED single steady flash - no network found
- Rx LED off Green receive LED off - no power or communications error
- Rx LED on solid Green receive LED on solid - data lines miswired or shorted
- Rx LED rapid flash Green receive LED rapid flashing - normal network traffic
Save it for the next call
Star this code in the HVACopedia app and keep the whole library on your phone for jobs with no signal.
Source: Goodman *CVC9/95 & *MVC95 Installation Instructions IO-341D (08/2010), Network Troubleshooting p.47. Summarized in our own words; check the original manual for your model.
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.