Start by gently wiping the lenses to remove frost or moisture. Misalignment often occurs when the door shifts due to temperature changes. If sensors continue to malfunction, you may require garage door opener repair or an adjustment by a technician who understands garage door safety winter Wisconsin concerns. Sensor issues are common in regions with heavy snow, and addressing them early protects your family and prevents accidental door closures. Maintaining clean, dry surfaces also helps sensors perform reliably.