Amana 10 Flashes Error Code
Open fuse / no 24V power to the integrated control module — often from a voltage surge.
Source: Amana/Amana_2021F_InstallationGuide_HVAC_EN.pdf
What does Amana 10 Flashes mean?
Ten red flashes indicate an open fuse and no 24-volt power reaching the integrated control module, and the furnace is not operating. A high voltage surge can blow off the fuse, cutting low-voltage power to the control so it can no longer run the furnace until the fuse is replaced.
Symptoms
- Furnace not operating
- Integrated control module diagnostic LED flashes ten red flashes
- No 24-volt power at the control module
- Control fuse is open
Common causes
- Open fuse on the integrated control module
- No 24V power to the integrated control module
- High voltage surge that blows off the fuse
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Diagnostic steps
Replace the fuse
Replace the open fuse to restore 24-volt power to the integrated control module.
Look for a surge source
Determine whether a high voltage surge blew the fuse so the replacement does not immediately fail again.
Confirm 24V is restored
Verify the control module receives 24-volt power and resumes normal operation after the fuse is replaced.
Power off before servicing
Verify the line voltage supply is turned off before proceeding with corrections.
When to call a professional
A fuse that blows once may only need replacing, but a repeatedly opening fuse points to a wiring short or surge that needs professional diagnosis. If the ten-flash code returns after replacing the fuse, or if you cannot safely verify line and low-voltage power, call a qualified servicer. Always confirm the line voltage supply is off before working inside the control area.
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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.
Igniter relay fault — wiring, igniter, grounding, or control module problem.
Twinning fault — twinned furnaces are not wired or relayed together correctly.
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.