Lennox LCM156U Error Codes

Packaged HVAC · Packaged Unit

Model numbers in this family: LCM156U, LCM180U, LCM210U, LCM240U, LCM300U, LGM/LCM156U, LGM/LCM180U, LGM/LCM210U, LGM/LCM240U, LGM/LCM300U, LGM156U, LGM180U, LGM210U, LGM240U, LGM300U

• Blinking HB LED blinks while M4 is powered.
• Blinking Blue Controller is looking for a device to connect to via Bluetooth.
• CLdL Clear Delays
• Green Controller is powered-up and no Bluetooth devices are currently connected.
• Solid Blue Controller still in boot-up state (check7-segment LED) or app is already connected.
• StAt TSTAT Override
• rSt Reset
• tESt TSTAT Test

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