Model reference
Lennox 14HPX-018
Heat Pump
1 document10 error codes2 service modes
Available documentation
Service Manual
- 14HPX Series Service Literature24 pg
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Error codes (10)
CodeMeaning
DS2 Alternating FAST Flash / DS1 Alternating FAST FlashCoil sensor problemDS2 Alternating SLOW Flash / DS1 Alternating SLOW Flash5-minute anti-short cycle delay due to initial power up, safety trip, or end of…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 Simultaneous FAST Flash / DS1 Simultaneous FAST FlashAmbient sensor problemDS2 Simultaneous SLOW Flash / DS1 Simultaneous SLOW FlashNormal operationDS2 SLOW Flash / DS1 OFFHigh Pressure FaultService modes (2)
- 5-Strike Lockout Reset["Cycle OFF the 24-volt power to the control board (R terminal), then restore power.","OR short the…
- Test Mode (Defrost Control)["Ensure Y1 is energized (active ON) and the O room thermostat terminal into the board is…
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