Cleaning area motor and filter motor. Measure vibration-noise-temperature of FS and LS motor. Add grease motor 15 times-20 times of FS and LS. Check at ER3 and ER4 for RPM-Voltage-Ampere-kW-Temperature motor fill in at check sheet form. Do separated power lighting lamp for 333 BC1 and bel feed test function result normal-Install cover motor for 393 RF4 result function normal- Do adjust position of probe speed sensor result normal error speed failure off( EDI & ADI )