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York Service Manuals & Error Codes
16Service Manuals
8Error Codes
4Appliance Types
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Top Error Codes for York
CodeTypeDescription
1 FlashFurnaceFlame sensed without a call for heat.2 FlashFurnaceLow fire pressure switch (1LP) contacts are stuck in the closed position;...3 FlashFurnaceFlame rectification could not be established (applies to both 1st stage and 2nd...4 FlashFurnaceOpen limit circuit (includes Primary Limit, Auxiliary Limit, and Rollout...6 FlashFurnace1LP has opened five times during one call for heat.7 FlashFurnaceFlame rectification could not be established; flame rectification must be...8 FlashFurnaceFlame rectification has been lost 5 times during 1 call for heat after it was...LED on constantlyFurnaceThe control discovered an internal fault during its self-check procedure; all...