I have a Carrier furnace that displays error code '33'. Carrier only provides the answer to service personnel. What does this code mean as my furnace keeps going out?
-sincerely, getting cold.
I have a Carrier furnace that displays error code '33'. Carrier only provides the answer to service personnel. What does this code mean as my furnace keeps going out?
-sincerely, getting cold.
Look on the back of the furnace blower door. There is a drawing there with the codes listed. Since you did not take the time to post the model number of your unit I used my crystal ball to find what 33 means for you.
33 LIMIT CIRCUIT FAULT - Indicates a limit, or flame rollout is open. Blower will
run for 4 minutes or until open switch remakes whichever is longer. If open
longer than 3 minutes, code changes to lockout #13. If open less than 3 minutes
status code #33 continues to flash until blower shuts off. Flame rollout switch
requires manual reset. Check for: - Restricted vent
- Proper vent sizing - Loose blower wheel - Excessive wind
- Dirty filter or restricted duct system.
- Defective blower motor or capacitor. - Defective switch or connections.
- Inadequate combustion air supply (Flame Roll-out Switch open).
You can try to resaet power THEN push the little reset buttion. Here is a generic manual for Carrier
http://www.xpedio.carrier.com/idc/gr.../58mxa-9sm.pdf
You might have to call for On Site professional service since according to the diagram it could be multiple items in the failure.
It's possible that the AC indoor coils might be clogged which restrict air from flowing out of the furnace and causing it to heat up excessively. Look into cleaning the coils which usually sits above the furnace.
It's possible that the AC indoor coils might be clogged which restrict air from flowing out of the furnace and causing it to heat up excessively. Look into cleaning the coils which usually sits above the furnace.
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