Lennox ML16KP2 Error Codes

Heat pump · Split & Multi-Split

• DS2 FAST Flash, DS1 FAST Flash (Alternating) Coil Sensor Problem
• DS2 FAST Flash, DS1 FAST Flash (Simultaneous) Ambient Sensor Problem
• DS2 OFF, DS1 OFF Power problem
• DS2 OFF, DS1 ON Low Pressure Lockout
• DS2 OFF, DS1 SLOW Flash Low Pressure Fault
• DS2 ON, DS1 OFF High Pressure Lockout
• DS2 ON, DS1 ON Demand Defrost Control Failure
• DS2 SLOW Flash, DS1 OFF High Pressure Fault
• DS2 SLOW Flash, DS1 SLOW Flash (Alternating) 5-minute anti-short cycle delay
• DS2 SLOW Flash, DS1 SLOW Flash (Simultaneous) Normal operation

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