Logitech HARMONY 665 REMOTE Repair

The Logitech Harmony 665 is a universal infrared remote designed to consolidate control of multiple home entertainment devices into a single handheld unit. It uses a durable injection-molded plastic housing and rubberized button caps to withstand regular daily use. Key features include support for controlling many IR devices, configurable Activities via Logitech software, and an easy setup process using a computer. The remote is battery-powered and optimized for reliability and long-term use.

The Logitech HARMONY 665 REMOTE can be identified by the model number (M/N N-I0003). The model label is on the product label on the underside of the remote. This label lists the model (M/N), part (P/N), and serial (S/N) numbers.

• Model Number (M/N / P/N): 915-000293 (commonly listed as Harmony 665)
• Form Factor: Handheld universal IR remote
• Connectivity: Infrared (IR) transmitter only (no RF/Wi‑Fi/Bluetooth)
• Supported Devices: Designed to control TVs, set‑top boxes, Blu‑ray/DVD players, AV receivers, and other IR‑controlled AV equipment (multi‑device support via Logitech device database)
• Power / Battery: 2 × AA alkaline or NiMH rechargeable cells (user‑replaceable)
• Display: Basic monochrome LCD for activity/status feedback
• Buttons / Key Switches: Rubber dome membrane buttons (manufacturer not specified)
• Housing Material: Durable injection‑molded ABS plastic with rubberized keycaps
• Dimensions: Handheld remote — typical compact remote dimensions (exact dimensions not specified by primary source)
• Warranty: 1‑year limited hardware warranty (Logitech)

Common faults include unresponsive buttons (worn rubber domes or dirty contacts), dead power (weak/incorrect batteries or corroded contacts), and failed IR transmission. Diagnose by swapping in fresh batteries, testing the IR emitter with a phone camera, inspecting/cleaning battery contacts and button dome assemblies, and checking continuity on flexible traces and the IR LED.

For additional troubleshooting help, visit: Visit Logitech Support (https://support.logi.com) for product support, setup guides, and contact options.

1 year limited hardware warranty (see Logitech warranty page for claim procedures).

• https://www.amazon.com/Logitech-915-0002...
• https://support.logi.com/hc/en-us/articl...