Carrier Furnace Flame Sensor Problem

Open the door panel to get access to your carrier furnace.

Carrier furnace flame sensor problem.

I need help with carrier furnace troubleshooting. Your gas furnace flame sensoris just one part a built in safety system for your furnace. You might also be able to see the rollout occurring. If the furnace still doesn t heat replace the flame sensor.

Try cleaning the flame sensor with a fine abrasive pad. In many cases if the furnace startup sequencegets as far as ignition then immediately shuts back off it can generally be traced to the flame sensor. Faulty flame sensor on a gas furnace troubleshooting video duration. Locate the current filter.

Answered in 3 minutes by. It is simple if you know what to do. If the furnace fires but won t stay lit the flame sensor may need to be cleaned or replaced or the furnace control board could be bad. If the flame sensor does not detect a flame the co.

Ntrol board will shut off voltage to the gas valve to prevent the furnace from heating. I can help you with that. I want to try and fix it myself. Immediately after the shut down the unit flashes a code 33 fault which is a limit or flame rollout switch in open fault.

If the flame sensor is defective it might fail to detect a flame. After the fan stops the fault code clears and the unit initiates the burner start sequence and runs for another few minutes and so on. Carrier 58ss 58gp 3 wire pilot assembly operation duration. The flame sensor monitors the burner to detect whether or not a flame is present.

How do i determine the cause of the short cycling. If you re carrier gas furnace is a condensing unit a high efficiency furnace it may be that the condensate pump is bad or that the trap in the condensate drain is filled with sediment. You can detect a furnace flame rollout if you notice any signs of singing or discoloration on the exterior of your furnace s combustion chamber or other nearby parts.