Category: Furnace

Furnace Maintenance Tips


To find a replacement parts for your furnace, search http://www.repairclinic.com/Shop-For-Parts?TSLID=1805 using your appliance’s model number.

This free troubleshooting video shows quick maintenance tips including cleaning the furnace, replacing the air filter, and cleaning the home venting to keeping your furnace working safely and efficiently.

Every day, tens of thousands of people use our advanced, easy-to-navigate, comprehensive troubleshooting and repair help system on our website- http://www.repairclinic.com/RepairHelp?TSLID=1805 — for troubleshooting by symptom, finding recommended replacement parts and learning how to successfully fix their appliances, outdoor power equipment, HVAC, and vacuums on their own. Please have your product’s model number handy and head there for help diagnosing your dryer.

If you’re unable to find the information you need on our website, we suggest that you use a search online to find a reliable online repair forum. It’s likely that your question has already been answered there. We also recommend contacting your product’s manufacturer or calling a local repair technician.

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Tips and Tricks to repair your Furnace DIY


In this video I show you a few things to look for to fix your furnace. It’s expensive to call a repair man and most of the time is not needed. I am not an expert, just someone trying to share my experience with you to save some money. Always turn your power to your furnace off before tampering with things. This would be a good video to start with because I try to show a general idea of how a furnace works. When all else fails, you have to call an expert, but first try the steps in this video.

Here is a list of codes that was posted to www.doityourself.com by Huston204

Flash sequence codes 1 through 11 are as follows: LED will turn “on” for 1/4 second and “off” for 1/4 second. This pattern will be repeated the number of times equal to the code. For example, six “on” flashes equals a number 6 fault code. All flash code sequences are broken by a 2 second “off” period.

SLOW GREEN FLASH: Normal operation.
SLOW AMBER FLASH: Normal operation with call for heat.
RAPID RED FLASH: Twinning error, incorrect 24V phasing. Check twinning wiring.
RAPID AMBER FLASH: Flame sense current is below 1.5 microamps. Check and clean flame sensor. Check for proper gas flow. Verify that current is greater than 1.5 microamps at flame current test pad.

4 AMBER FLASHES: The control is receiving a “Y” signal from the thermostat without a “G” signal, indicating improper thermostat wiring.

1 RED FLASH: This indicates that flame was sensed when there was not a call for heat. The control will turn on both the inducer motor and supply air blower. A gas valve that leaks or is slow closing would typically cause this fault.

2 RED FLASHES: This indicates that the normally open pressure switch contacts are stuck in the closed position. The control confirms these contacts are open at the beginning of each heat cycle. This would indicate a faulty pressure switch or miswiring.

3 RED FLASHES: This indicates the normally open pressure switch contact did not close after the inducer was energized. This could be caused by a number of problems: faulty inducer, blocked vent pipe, broken pressure switch hose or faulty pressure switch.

4 RED FLASHES: This indicates that the main limit switch has opened its normally closed contacts. The control will operate the supply air blower and inducer. This condition may be caused by: dirty filter, improperly sized duct system, incorrect blower speed setting, incorrect firing rate or faulty blower motor. Also, this fault code could be caused by a blown fuse located on the control board.

5 RED FLASHES: This fault is indicated if the normally closed contacts in the rollout switch opens. The rollout control is manually reset. If it has opened, check for proper combustion air, proper inducer operation, and primary heat exchanger failure or burner problem. Be sure to reset the switch and cycle power (24 VAC) to the control after correcting the failure condition. Also, this fault code could be caused by a blown fuse located on the control board.

6 RED FLASHES: This indicates that after the unit was operating, the pressure switch opened 4 times during the call for heat. If the main blower is in a “Delay on” mode, it will complete it, and any subsequent delay off period. The furnace will lock out for one hour and then restart.

7 RED FLASHES: This fault code indicates that the flame could not be established. This no-light condition occurred 3 times (2 retries) during the call for heat before locking out. Low gas pressure, faulty gas valve, dirty or faulty flame sensor, faulty hot surface ignitor or burner problem may cause this. The furnace will lock out for one hour and then restart.

8 RED FLASHES: This fault is indicated if the flame is lost 5 times (4 recycles) during the heating cycle. This could be caused by low gas pressure, dirty or faulty flame sensor or faulty gas valve. The furnace will lock out for one hour and then restart.

9 RED FLASHES: Indicates reversed line voltage polarity or groundingproblem. Both heating and cooling operations will be affected. Check polarity at furnace and branch. Check furnace grounding. Check that flame probe is not shorted to chassis.

10 RED FLASHES: Flame sensed with no call for heat. Check gas valve and gas valve wiring.

11 RED FLASHES: This indicates that a primary or auxiliary limit switch has opened its normally-closed contacts and has remained open for more than five minutes. This condition is usually caused by a failed blower motor or blower wheel. Cycle power (24 VAC) to the control to reset the hard lockout condition after correcting the failure condition.

Read more: http://www.doityourself.com/forum/gas-oil-home-heating-furnaces/417487-winchester-furnace-diagnostics.html#ixzz2FWIbfVlo


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