Amana 8 Flashes Error Code
Igniter relay fault — wiring, igniter, grounding, or control module problem.
Source: Amana/Amana_2021F_InstallationGuide_HVAC_EN.pdf
What does Amana 8 Flashes mean?
Eight red flashes indicate an igniter relay fault, and the furnace is not operating. The control cannot drive the igniter correctly. The fault traces to improperly connected igniter wiring, a bad igniter, poor unit or burner grounding, or a faulty integrated control module that cannot energize the igniter relay as expected.
Symptoms
- Furnace not operating
- Integrated control module diagnostic LED flashes eight red flashes
- Igniter does not energize properly
- No ignition sequence
Common causes
- Igniter relay fault on the integrated control module
- Improperly connected igniter wiring
- Bad igniter
- Poor unit ground or poor burner ground
- Faulty integrated control module
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Diagnostic steps
Check the igniter wiring
Check and correct the wiring from the integrated control module to the igniter.
Replace the igniter
Replace a bad igniter with the proper replacement part. The igniter is fragile, so handle it with care.
Correct the ground
Check and correct the unit ground wire to resolve poor unit or burner grounding.
Replace the control module
Replace the integrated control module if it is bad after the wiring, igniter, and ground have been verified.
Power off before servicing
Turn power off prior to repair and read the electrostatic discharge precautions before handling the control module.
When to call a professional
An igniter relay fault often requires distinguishing between a bad igniter, a grounding problem, and a failed control board, which calls for electrical testing. If correcting the wiring and ground does not clear the eight-flash code, have a qualified servicer confirm the diagnosis before replacing the control module. Turn power off prior to repair and follow electrostatic discharge precautions when handling the board.
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Other Amana Error Codes
System lockout from too many failed ignition retries — the furnace could not establish or hold flame.
Pressure switch circuit is closed when it should be open — the induced draft blower is not operating.
Pressure switch circuit is not closing while the induced draft blower runs — restricted airflow or a faulty switch.
Primary or auxiliary limit circuit is open — the furnace is overheating from insufficient airflow.
Flame sensed with no call for heat — a short to ground in the flame sense circuit.
Rollout limit open or the integrated control module fuse is blown — possible flame rollout.
Flame sense microamp signal is low — a coated, oxidized, or misaligned flame sensor.
Twinning fault — twinned furnaces are not wired or relayed together correctly.
Open fuse / no 24V power to the integrated control module — often from a voltage surge.
Igniter open — broken igniter, bad wiring, or poor grounding.
Inducer relay fault — inducer wiring, blockage, grounding, or control module problem.
Reversed polarity of 115V or 24V power to the furnace or control module.