Lennox CBK45UHPT Error Codes

Air handler · Split & Multi-Split

• 1 Sensor indicates fault
• 2 Float switch Active
• 3 Incompatible sensor type
• 4 Sensor communications issue
• 5 R-input not available
• Flashing blue Mitigating (Leak Detected)
• Flashing green Initializing
• Solid blue, interrupted by issue diagnostic code Fault/Service
• Solid blue, interrupted by issue flash code Fault/Service
• Solid green Monitoring
• Solid green with blue flash Monitoring

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