If you can't find the manual online, reaching out to Otis's customer service or support line can be a direct way to get what you need. They might ask for your elevator model number, serial number, or other specifics to locate the correct documentation.
: Features indicator lights like CHC and DDO for real-time status monitoring and requires the ERO (Emergency Operation) switch to be in the correct position for manual testing. Drive Systems xizi otis elevator manual fixed