Ruud furnaces are operated both at home and at work. When it stops working, it can be a significant inconvenience. You may encounter Ruud furnace error codes appearing in the operation process. Here are the codes, flashes, blinks, and other problem signals you better look through to understand what is going on with your Ruud furnace.
CODE: LED is steadily on. Normal fault detected.
CODE: Single LED flash. Failed to detect flame within three attempts for ignition, 1-hour lockout. Please reboot the system to fix it.
CODE: Two LED flashes
The pressure switch is stuck open or an induced draft blower problem is detected. Try to close the switch manually, replace the switch, or check blowers and vents for air pressure.
CODE: Three LED flashes
The limit switch is open, or the roll-out control is engaged.
Check for a restricted air vent, a loose blower wheel, a defective blower, or a dirty air filter.
CODE: Four LED flashes
The pressure switch is stuck closed, or the switch won’t open.
Check for an obstruction in the pressure tubing.
CODE: Five LED flashes. N/A
CODE: Six LED flashes. Line and Neutral are reversed. The control board or the furnace’s ground could be defective.
Ask for professional help right now! Our contractors will promptly go to your place, determine the cause of the problem and eliminate it. You choose the day and time convenient to you, and the rest is up to us. Contact Prime Air solutions at (619) 655-3355 ASAP!
