Clean up area motor and filter motor. Measure vibration-noise-temperature of FS and LS motor. Add grease motor for LS and FS 15 times and 20  times note 363 MD1-363 FN1-363 FN2 off condition. Check at ER3 and ER4 for data KW-Ampere-Voltage-Temperature and fill in at data check sheet ( EDI & DADANG )