Model reference
Lennox XP14-024
Heat Pump
1 document10 error codes2 service modes
Available documentation
Service Manual
- XP14 Series Service Literature23 pg
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Error codes (10)
CodeMeaning
Alternating FAST FlashCoil sensor problemAlternating SLOW Flash5-minute anti-short cycle delay (initial power up, safety trip, or end of room…DS2 OFF / DS1 OFFNo power (24V) to control terminals R & C or board failure.DS2 OFF / DS1 ONLow pressure lockoutDS2 OFF / DS1 SLOW FlashLow pressure faultDS2 ON / DS1 OFFHigh pressure lockoutDS2 ON / DS1 ONCircuit board failureDS2 SLOW Flash / DS1 OFFHigh pressure faultSimultaneous FAST FlashAmbient sensor problemSimultaneous SLOW FlashNormal operationService modes (2)
- 5-Strike Lockout Reset["Option 1
- Test Mode (Defrost Control)["Ensure Y1 is energized and 24V power is applied to the defrost control.","Ensure the O room…
Full entry steps, exit procedures, and test sequences are available in Max.
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