Goodman Furnace 4 Blinks

I m not a tech and just some diy on how to trouble shoot a faulty limit switch.

Goodman furnace 4 blinks.

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. The furnace tries to light however won t stay lit. This means that the draft blower isn t functioning properly or your furnace has a short in the pressure switch circuit.

Goodman furnace with 4 blinks on red light. After one hour of lockout your furnace will automatically reset itself. I reset the limits on both sides and it works for a few minutes blowing heat goodman furnace with 4 blinks on red light. High limits and you.

This means that your furnace has locked out due to too many ignition attempts. Goodman furnace 4 red led blinks indicating high open limit. Ok there are several basic blinking codes on the goodman furnace. Check and clean filters tighten wiring and check the flue for blockages.

Translate four led flashes to mean your furnace has a primary limit circuit open possibly from loose wiring or blocked filters. We have this problem happen before when the power went out it trips the limits so it doesn t burn up the blower. Some of the codes indicate that the furnace needs attention for instance one blink means an ignition failure. Check and clean filters tighten wiring and check the flue for blockages level 2.

Induction motor was running non s. Came home to a cold house blowing cold air. Translate four led flashes to mean your furnace has a primary limit circuit open possibly from loose wiring or blocked filters.