Lennox XP19 Error Codes

Equipment type not specified · Split & Multi-Split

• 1 Long Run Time - Compressor is running extremely long run cycles.
• 2 System Pressure Trip - Discharge or suction pressure out of limits or compressor…
• 3 Short Cycling - Compressor is running only briefly
• 4 Locked Rotor
• 5 Open Circuit
• 6 Open Start Circuit - Current only in run circuit
• 7 Open Run Circuit - Current only in start circuit
• 8 Welded Contactor - Compressor always runs
• 9 Low Voltage - Control circuit <17VAC
• Alternating FAST Flash Coil Sensor Problem
• Alternating SLOW Flash 5-minute anti-short cycle delay
• DS2 FAST Flash, DS1 ON Discharge Line Temperature Discharge Sensor Lockout
• DS2 Fast Flash, DS1 OFF Discharge Sensor Discharge Sensor Lockout
• DS2 OFF, DS1 Fast Flash Discharge Sensor Fault
• DS2 OFF, DS1 OFF Power problem
• DS2 OFF, DS1 ON Low Pressure Discharge Sensor Lockout
• DS2 OFF, DS1 SLOW Flash Low Pressure Fault
• DS2 ON, DS1 OFF High Pressure Discharge Sensor Lockout
• DS2 ON, DS1 ON Circuit Board Failure
• DS2 SLOW Flash, DS1 OFF High Pressure Fault
• DS2 SLOW Flash, DS1 ON Discharge Line Temperature Fault
• Green LED Intermittent Module powers up only when compressor runs.
• Green LED ON Module not powering up.
• Red LED ON LED is on but system and compressor check OK.
• Red and Yellow LED Simultaneous flashing.
• Simultaneous FAST Flash Ambient Sensor Problem
• Simultaneous SLOW Flash Normal operation

Reference only. Confirm against the manual for your exact model. Data release 105f66ecb9e96e5dc473025d.