Can I find the error codes to my furnace online? I have a Carrier Weathermaker 8000 model # 58wav070-12.

Are they not on a label pasted to the inside of furnace door/cover

Or are you talking about the blinking led light that's on the circuit board?

Yes, they are on a label on the outside of the furnace, but the top portion of my label was ripped off when I moved in. Just wondering if there is a quick way to find these codes online so I don't have to call the manufacturer?

Weathermaker 8000 is just a unit "nickname" and not the actual model number. If you can locate and post full/accurate model #, chances are someone can find what you are looking for. Probably starts with "58"...

The model number is 58WAV070-12.

These might be close.

11 NO PREVIOUS CODE - Stored status codes are erased when power (115V or 24V) to control is
Interrupted or 48 hours after each fault is cleared.
12 BLOWER ON AFTER POWER UP (115V or 24V) - Blower runs for 90 seconds, if unit
Is powered up during a call for heat (R-W closed).
13 LIMIT OR FLAME ROLL-OUT SWITCH LOCKOUT - Auto reset after three hours. For flame
Roll-out switch or fuse link, refer to #33.
14 IGNITION LOCKOUT - Control will auto-reset after three hours. Refer to #34.
21 GAS HEATING LOCKOUT - Control will NOT auto reset.
Check for: - Stuck gas valve relay on control or miswire to gas valve circuit.
22 ABNORMAL FLAME-PROVING SIGNAL - Flame is proved while gas valve is
De-energized. Inducer will run until fault is cleared. Check for:
- Stuck-open gas valve or leaky gas valve.
23 PRESSURE SWITCH DID NOT OPEN Check for:
- Obstructed pressure tubing. - Defective pressure switch (stuck closed).
24 SECONDARY VOLTAGE FUSE IS OPEN
Check for: - Short circuit in secondary voltage (24V) wiring.
31 PRESSURE, DRAFT SAFEGUARD, OR AUXILIARY-LIMIT (when used) SWITCH DID
NOT CLOSE OR REOPENED - If open longer than five minutes, inducer shuts off for
15 minutes before retry. Check for:
- Proper vent sizing and condensate pitch. - Inadequate Combustion air supply.
- Vent restriction or high winds. - Low inducer voltage.
- Defective inducer motor or start capacitor. - Disconnected or obstructed pressure tubing.
- Defective pressure switch or connections. If it opens after trial for ignition period, blower will
Come on for 90 second recycle delay.
33 LIMIT OR FLAME ROLL-OUT SWITCH IS OPEN - If open longer than three minutes, code
Changes to #13. Check for:
- Defective blower motor or start capacitor. - Dirty filter or restricted duct system.
- Loose blower wheel. - Defective switch or connections.
- Inadequate Combustion air supply Flame Roll-out Switch or fuse link.
- Open Flame Roll-out switch,or fuse link. Manual reset or replace.
34 IGNITION PROVING FAILURE - Control will try three more times before a lockout #14
Occurs. If flame signal lost after trial for ignition period, blower will come on for
90 second recycle delay. Check for:
- Oxide buildup on flame sensor (clean with fine sandpaper).
- Proper flame sense microamps (.5 microamps D.C. minimum).
- Gas valve turned off. - Manual shut-off valve. - Low inlet gas pressure.
- Green wire MUST be connected to furnace sheet metal.
- Inadequate flame carryover or rough ignition.

Hi
I have a carrier weathermaker 8000, 58WAV furnace. It has been acting up and it starts for about 20 seconds and the burners try to light then it shuts off and the fan keeps blowing for about 90 seconds. There is a red light that flashes, there is 1 quick flash and then 4 longer flashes and then it just keeps repeating the sequences. Do you have any idea what this could be and is it expensive to fix.