Goodman Furnace 4 Blinks

Some of the codes indicate that the furnace needs attention for instance one blink means an ignition failure.

Goodman furnace 4 blinks.

This means that the draft blower isn t functioning properly or your furnace has a short in the pressure switch circuit. We have this problem happen before when the power went out it trips the limits so it doesn t burn up the blower. Check and clean filters tighten wiring and check the flue for blockages. The furnace tries to light however won t stay lit.

Single led flash blinks on and off. Translate four led flashes to mean your furnace has a primary limit circuit open possibly from loose wiring or blocked filters. Goodman furnace with 4 blinks on red light. I reset the limits on both sides and it works for a few minutes blowing heat goodman furnace with 4 blinks on red light.

Interpret five led flashes to mean your goodman furnace senses a flame without a call for heat. After trying this 4 times the led flashes 4 times and the chart states that 4 flashes means read more douglas. High limits and you. A high limit switch protects the furnace against overheating and damage it s located in the output duct or plenum of the furnace and turns the furnace off if things get too hot up there the usual cause of a high limit trip is inadequate airflow in your case because an apparently faulty connection was causing the fan to not run.

Came home to a cold house blowing cold air. After one hour of lockout your furnace will automatically reset itself. This could be a. Ok there are several basic blinking codes on the goodman furnace.

Check and clean filters tighten wiring and check the flue for blockages level 2. I m not a tech and just some diy on how to trouble shoot a faulty limit switch. This means that your furnace has locked out due to too many ignition attempts.