When it cuts off it is throwing Code 33 which is pointing to the following issues: Dirty Filter or Restricted Duct System – Replaced Filters & Using a MERV 2, still trips. Loose Blower Wheel – Removed today and was not loose/excessive play. Defective Switch or Connections.
How do you fix error 33 on a carrier furnace?
Check for air flow issues
- Check condition of filter. …
- Open all vents and return registers.
- Make sure the ducts and register grilles are clean.
- Clean the A/C evaporator coil.
- Check condition of the blower wheel. …
- Check blower motor and capacitor to make sure the blower motor is running up to speed.
What is a code 33 on a furnace?
October 10, 2019. Error Code 33. On a Carrier furnace, it means restricted air flow, and I’ll never forget it.
How do I fix code 33 on my Payne furnace?
If open less than 3 minutes status code #33 continues to flash until blower shuts of 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.
How do you reset the code on a carrier furnace?
How To Reset A Carrier Furnace
- Locate your thermostat and turn it down to prevent it from triggering the need for heat from the furnace.
- Turn off the breaker switch that supplies power to your furnace, or you can unplug the furnace.
- Wait for 30 seconds.
- Turn the breaker switch back on or plug your furnace back in.
Can I run my furnace without a filter?
If you were to use your home furnace without an air filter, all that dust and debris could get stuck in your system and cause a rather large buildup. Over time, these buildups can clog and damage your system. To protect and extend the lifetime of your system, we recommend only running your furnace with an air filter.
How do you fix code 34 on a carrier furnace?
Quote from Youtube video: So what components are causing this the problem could be due to a dirty flame sensor. So I need to replace that. You can try to clean it with fine sandpaper.
What causes limit circuit lockout?
[7] LIMIT CIRCUIT LOCKOUT — Lockout occurs if the limit or flame rollout switch is open longer than 3 minutes or 10 successive limit trips occured during high-heat. Control will auto-reset after 3 hours.
How do you reset a roll out switch?
Quote from the video:
Quote from Youtube video: If your flame rollout switches trip that means this button will be popped out and if you press on it you press in that will reset it and your furnace will come back on.
Where is the high limit switch located on a furnace?
The high limit switch consists of a long temperature-sensing probe attached to a metal mounting plate. From the mounting plate, the switch is wired to the blower fan motor and to the gas valve. The switch is generally located just past the heat exchanger.
What does code 34 mean on a carrier furnace?
Carrier error code 34 is an ignition proving failure. What this means is that the furnace control board did not sense a flame or adequate flame and has shut down.
What is code 32 on a carrier furnace?
carrier code 32-low pressure switch open.
How do you read a carrier furnace error code?
Quote from the video:
Quote from Youtube video: Code error code 1 3 problem limit or flame rollout switch lockout fix control will auto reset after 3 hours reset the switch or replace fuse. Link code error code 1-4.
What happens if I put my furnace filter in backwards?
When a furnace filter is placed backwards, the fibers can’t do their job properly. This means your furnace has to work harder to generate the same air flow, resulting in increased energy costs. Particles are also allowed to build up irregularly, making the furnace working even harder to draw air.
What is considered short cycling for a furnace?
A furnace “short cycles” when it turns off before reaching the desired temperature. This means that if your thermostat is set to 72 degrees, the furnace may shut down at 65 or 68 degrees, but will never reach 72 degrees. Short cycling can also be used to describe a furnace that turns on and off too often.
How often should a furnace filter be changed?
The 90-day recommendation is for 1- and 2-inch filters. If you have a thicker model, the filter life extends. For 3- and 4-inch filters, plan for a replacement about every six to nine months. If you have the larger 5- or 6-inch filters, they will need replacing every nine to 12 months.
Are expensive furnace filters worth the money?
More expensive filters like Pleated Residential filters filter out dust mites, pollen, mold and pet dander and even bacteria and so are worth the money especially for those with severe allergies. HEPA filters filter bacteria and viruses and are worth the extra money for those with respiratory conditions like emphysema.
Why does my furnace filter get dirty so fast?
Your filter gets clogged faster when your furnace is running more often. That’s because more air is cycled through your filter when your furnace goes through more heating cycles, so more contaminants get caught on the filter’s media. The colder it gets outside, the faster your filter will get clogged with dirt.
How do I know if my furnace filter is dirty?
Take a look at the white sheet to see if it has turned gray or black, and the more dirt on that sheet, the more likely it is that your filter needs changing. Electricity Bill Spike Another sign that your air filter may need changing is a sudden spike in your electricity or power bill over several months.
How often should I change my furnace filter in the winter?
Professionals, like our team at Airco Service, Inc. say that you should change your air filter at least every three months. During the winter, when you rely on your heating system more, you want to increase that frequency. During the winter, when the system is in constant use, change it out every month.
Why does my furnace filter never get dirty?
If the filter is not installed correctly, then the air can flow around the filter and not into it. When that happens, the filter won’t get dirty because all that air isn’t going anywhere near it.
