Weather King Furnace Error Codes

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