Carrier/Bryant Gas Furnaces Re: Lockout Codes Each of the following status codes is a 2-digit number. ► The first digit is determined by the number of SHORT flashes and the second digit is determined by the number of LONG flashes. ► For Example: 1-Short Flash, 2-Long Flashes (- , — —) =...

Carrier 90% Gas Furnace: 350MAV Re: Flashing Code 13 / Fault Code 13 Code 13 =Limit or Flame Roll-Out Lockout Diagnostic Light Sequence: 1-Short Flash, 3-Long Flashes (- , — — — ) ► Limit circuit open for more than 3 minutes ► Auto-Reset after 3 Hours

Carrier 90% Gas Furnace: 350MAV Re: Flashing Code 14 / Fault Code 14 Code 14 = Four Failed Ignition Attempts Diagnostic Light Sequence: 1-Short Flash, 4-Long Flashes (- , — — — —) ► Very Important! If the inducer motor is off during lockout, this indicates that flame failed to...

Carrier 90% Gas Furnace: 350MAV Re: Flashing Code 31 / Fault Code 31 Diagnostic Light Sequence: 3-Short Flashes, 1-Long Flash (- - - , —) ► On Carrier 90% Furnaces, the Pressure switch may be wired in series with a Low Gas Pressure Switch. Therefore, a Fault Code 31 is caused by one of the...

Carrier Gas Furnaces: 350MAV Re: Flashing Code 33 / Fault Code 33 Diagnostic Light Sequence: 3-Short Flashes, 3-Long Flashes (- - - , — — —) On Carrier Gas Furnaces, the Primary Limit is wired in series with other limits, including up to two Rollout Switches or a Fusible-Link rollout switch. ...

Carrier 90% Gas Furnace: 350MAV Re: Flashing Code 34 / Fault Code 34 Code 34 = Ignition Faulure Diagnostic Light Sequence: 3-Short Flashes, 4-Long Flashes (- - - , — — — —) ► 4 Consecutive Ignition Faults will become a Fault Code 14. Qty Possible Causes: Bad Glow Plug...