Heil G80CTL furnace code 41: Blower not responding
Professional repair
What does 4 short and 1 long amber flash mean on a Heil G80CTL Series A furnace? The blower did not reach 250 RPM, or did not communicate, within 30 seconds of being energized or within 10 seconds during steady operation. It differs from 1+5, the lockout after repeated failures.
Before you touch anything: the six signs that mean stop troubleshooting and call a pro →
A technician tests the blower motor, its power and the communication link to the control. This code alone does not show the whole motor has failed, so testing comes before any replacement.
Parts for this code
No model-verified part number is listed here. Have the fault diagnosed and the correct part matched to your furnace before ordering.
Questions about this code
What does 4 short and 1 long amber flash mean on a Heil G80CTL Series A furnace?
The blower did not reach 250 RPM, or did not communicate, within 30 seconds of being energized or within 10 seconds during steady operation. It differs from 1+5, the lockout after repeated failures.
How do I fix Heil G80CTL furnace code 41?
Arrange service and report whether the code appears once or keeps returning. Do not open the blower compartment or keep restarting the furnace. If the pattern changes to 1+5, heating has locked out.
How much does it cost to fix Heil G80CTL furnace code 41?
Cost depends on whether the problem is wiring, communication or the motor. Any motor or module must match this furnace and be set up to its specifications.
Applies to
Heil G80CTL Series A
Different Heil generations use different code maps. If your series isn't listed, don't assume this meaning — check your blower-door label.
Verified against F80CTL & G80CTL (Series A): Installation, Start-Up, Operating and Service and Maintenance Instructions, p.34
Verified against F80CTL & G80CTL (Series A): Installation, Start-Up, Operating and Service and Maintenance Instructions, p.38
Verified against F80CTL & G80CTL (Series A): Installation, Start-Up, Operating and Service and Maintenance Instructions, p.47
Last verified 2026-10-07 · page updated 2026-10-07 · how we verify
Related Heil furnace codes
These codes use the same heil g80ctl series a amber led control system.