Goodman Error Code 8: Ignitor Error

Severity
Warning
Type
led blink count
Where to look
sight glass
Estimated repair cost: $100 — $250 (parts + labor)
Warning: Your Goodman HVAC system has an ignitor error, which means it can't start heating. It's safe to operate, but you'll need a professional to fix it.

LED Blink Pattern

LED blinks 8 times.

How to Fix Goodman Code 8

  1. Turn off your furnace at the thermostat and the power switch.
  2. Try resetting the furnace by turning off the power at the switch, waiting 30 seconds, then turning it back on.
  3. If the error persists, call a professional HVAC technician.

How to Reset Goodman Code 8

  1. Turn off the furnace power switch, usually located on or near the unit.
  2. Turn off the circuit breaker for the furnace. Wait 30 seconds.
  3. Restore power at the breaker and flip the furnace switch back on.
  4. Set the thermostat to call for heat. If the error code returns after 2-3 ignition attempts, the fault requires repair.

Resetting clears the code from the display but does not fix the underlying fault. If the code returns after reset, proceed to the diagnostic steps above.

What Does Goodman Error Code 8 Mean?

When you see Goodman error code 8, it means your system's ignitor isn't working properly. The ignitor is responsible for creating a spark to light the burner in gas furnaces. This error is common in Goodman's NCB, NPE, and GPC series. It could be due to a faulty ignitor, a problem with the control board, or a wiring issue. Don't worry, your system is still safe to run in fan mode for cooling.

Common Causes

  • Faulty ignitor
  • Issues with the control board
  • Wiring problems
  • Clogged or dirty ignitor

Diagnostic Steps

If... Check Expected
Furnace won't start heating Check the ignitor for signs of damage or discoloration No damage or discoloration
Ignitor looks okay Measure the resistance of the ignitor using a multimeter Between 10-15 ohms

Applicable Goodman Models

Recall Notices

Goodman/Daikin Evaporator Coil Drain Pans Recalled Due to Fire Hazard 22-014 Active

Issued: November 1, 2021

Affected models: Molded plastic evaporator coil drain pans in up-flow condensing gas furnaces

Drain pans can overheat, melt, and deform, posing a fire hazard. Recall expanded January 2024.

View official notice

Replacement Parts

Part OEM Number Est. Cost Where to Buy
Ignitor 48A7246 — Find Part
Control Board 48A7247 — Find Part

Related Codes on Same Models

Other codes that affect the same Goodman model families as 8.

Code Description Severity
1 System Lockout Warning
2 Pressure Switch Stuck Closed Warning
3 Pressure Switch Stuck Open Warning
4 Open High Limit Switch Warning
5 Flame Sensed With Gas Valve Off Warning
6 Open Rollout Switch Warning
7 Low Flame Signal Warning
CONTINUOUS Reversed Polarity Warning
F01 Goodman Code F01 - Ignition Lockout Critical
STEADY-ON Normal Operation Info