rapid flash
Moderate
Goodman · HVAC Systems (AC, Furnaces & Heat Pumps)
Flame Detected But No Call for Heat
Quick Answer
Error code Rapid flash on your Goodman HVAC Systems (AC, Furnaces & Heat Pumps) means: Flame Detected But No Call for Heat. This is usually fixable — see the step-by-step guide below.
Likely Causes
How to Fix It
1
Shut off the gas supply to the furnace immediately
2
Check for gas leaks at the valve using a combustible gas detector
3
Disconnect the flame sensor wire and see if the rapid flash stops
4
If gas is leaking through the valve, it must be replaced by a licensed HVAC technician
5
This is a safety-critical condition requiring professional diagnosis
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Gas valve assembly
Flame sensor
Control board
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