Otis Gen2 Scratch ((new)) May 2026
Otis Gen2 Scratch: What It Is, Why It Happens, and How to Fix It
Modernize your maintenance mindset, and your Otis Gen2 will reward you with decades of silent, reliable vertical transportation.
Abrasive Progression:
Use non-metallic abrasive pads (like Scotch-Brite ), starting with medium/coarse for deep scratches and moving to fine/very fine for blending. otis gen2 scratch
During building construction, it is common to see Gen2 units "cladded" or protected with temporary covers to prevent permanent scratches to the high-end finishes. Button Wear: Otis Gen2 Scratch: What It Is, Why It
| Symptom | Possible Root Cause | Associated Fault Codes | |---------|--------------------|------------------------| | Rhythmic scratching during travel | Debris on belt or sheave grooves | None directly; audible only | | Intermittent high-pitch scratch | Misaligned diverter pulley | TCI/DRS faults (2724, 2725) | | Scratch marks on belt edge | Worn guide shoe or rail burr | 2900 series (door/gib faults) | | Scraping near machine | Belt contacting structural member | OTP (Overspeed) or SE-Fault | Semi-annual belt sweep (vacuum & nylon brush) Sheave
Costs & downtime (general guidance)
- Semi-annual belt sweep (vacuum & nylon brush)
- Sheave groove cleaning using Otis-approved non-abrasive tool
- Check gib wear every 12 months (replace if less than 0.3 mm)
- Monitor belt wear count – replace when >80% (Otis Gen2 manual, section 8.4)