York Gas Furnaces: P1XU
Re: Lockout Codes
This York gas furnace has a control board inside the furnace blower compartment that will flash a diagnostic code that shows the operating status of the furnace.
Diagnostic Codes: | ||
ON | Replace Control | |
2 Red | Pressure switch stuck closed |
|
3 Red | Pressure switch stuck open |
|
4 Red | Limit switch open |
|
6 Red | Pressure switch opened 4 times |
|
7 Red | Ignition lockout due to 3 retries |
|
8 Red | Flame signal lost 5 times |
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