Goodman Furnace 7 (red LED) error code
The control board detected a short circuit in the gas valve wiring or the valve coil itself. The furnace locks out to prevent unsafe gas valve operation.
Also shown as: 7 red flashes, seven red flashes, fault code 7 red, gas valve circuit shorted
Last updated: September 30, 2026
What causes the 7 (red LED) error?
- Shorted gas valve coil
- Damaged or pinched gas valve wiring
- Failed integrated control module
How to fix Goodman 7 (red LED) — step by step
Work through these in order, from simplest and safest first. Stop as soon as the code clears.
- Turn the furnace off
Switch the furnace off at the service switch and leave it off until it is repaired. - Do not touch gas wiring
Gas valve circuits carry line voltage and control fuel flow — diagnosis requires a meter and must be done by a qualified technician.Safety warning: Never attempt to repair, bypass, or replace a gas valve yourself. Improper gas valve work can cause gas leaks, fire, or explosion. - Call a licensed HVAC technician
The technician will test the valve coil and wiring and replace the faulty part.
When to call a technician
- Immediately — this is a gas-control fault
- If you smell gas, leave and call your gas utility first
Frequently asked questions
Can a shorted gas valve leak gas?
A shorted valve circuit is an electrical fault, but because it involves the component that meters gas into the burners, only a qualified technician should diagnose it.
Will the furnace run at all with this code?
No. The control locks out the heating cycle until the short is repaired.
Sources
Every meaning and fix above was checked against official manufacturer documentation:
FixCode provides general troubleshooting information only — not professional repair advice. If you are unsure about any step, stop and call a qualified technician. Repairs done incorrectly can be dangerous and may void your warranty.