The tables below contain different Weather King furnace error codes which you may encounter using this furnace. There are different models of Weather King furnace described – for some of them you can find error codes, the others have flashes and LED signals. All of these types are described in details.
For each of the signals or codes there is a characteristic, numbers of flashes in a row with their meaning, and solutions, if necessary. There are also fault conditions which you may change and solve the problem this way. If you arrive at a conclusion that there is some repair needed, do not try to do it by yourself if you do not have a necessary qualification.
Weather King W95P Furnace Error Codes
| LED | Description | Solution |
| FLAME LED | OFF | – No flame is detected. |
| Rapid Blink | – Unexpected Flame |
| Slow Blink | – Marginal Flame Sense |
| Steady ON | – Normal Flame Detected |
| STATUS LED | Steady ON | – Normal Fault detected. |
| 1 Blink | – Ignition failure – 1 HR lockout |
| 2 Blinks | – Pressure switch stuck open switch will not close when inducer is on. |
| 3 Blinks | – Limit switch open main limit or roll-out control. |
| 4 Blinks | – Pressure switch stuck closed. Switch will not open. |
| 5 Blinks | – Not applicable. |
| 6 Blinks | – Line and Neutral reversed |
| POWER LED | OFF | – No power (24VAC) to control board. |
| ON | – Control is powered |
Weather King W801T Furnace Error Codes
| Code | Description |
| 0 | Standby |
| C | Compressor on (cooling or heat-pump heat) |
| H | Gas heat on |
| F | Continuos fan on |
| 10 | 1 hour lockout |
| 11 | Failed ignition |
| 12 | Low flame sense |
| 13 | Flame lost |
| 14 | Unexpected flame |
| 20 | Twinning fault |
| 22 | Main limit or halc open |
| 26 | Line and neutral reversed |
| 33 | Mrlc (manual reset limit control) (aka roll-out) open |
| 55 | Pressure switch stuck closed when should be open |
| 57 | Press switch stuck open when should be closed |
| 61 | Blower fault-blower unable to run |
| 93 | Internal control fault |
Weather King W95T Furnace Error Codes
| LEDS | Flashes | Fault condition |
| GREEN | ON | Normal operation |
| 1 Flash | Ignition failure (4 trials) |
| 2 Flashes | Pressure switch stuck open |
| 3 Flashes | Limit switches open |
| 4 Flashes | Pressure switch stuck closed |
| 5 Flashes | Twin fault |
| 6 Flashes | Brownout voltage |
| 7 Flashes | Hot and neutral reversed or no ground |
| Continuous | Gas valve relay short |
| YELLOW | Rapid Blink | Flame out of sequence |
| Slow Blink | Low flame or no flame |
| ON | Flame present |