Kobewel MMA/TIG Inverter Welding Machine S Series Handyman's Apron The motor does not start

The motor does not start up until the nozzle and fan cover have been properly installed

Ingco 5" 900W Angle Grinder AG90028

Input Voltage : 220V

Good Arc Starting and Arc Force

Model : KU041

Kobewel MMA/TIG Inverter Welding Machine S Series Handyman's Apron The motor does not startKobewel MMA TIG Inverter Welding Machine S Series Specification Model S160i S200i S200i D S250i S350i S400i Power Supply 220V 1Ph 60Hz 220V 440V 220V 60Hz 220V 220 440 V Frequency 60 Hz 60 Hz 50 60 Hz 50 60 Hz 50 60 Hz Phase 1 Ph 1 Ph 1 Ph 3 Ph 3 Ph Rated Input 6. 5 kVA 8. 7 kVA 8. 7 kVA 15 kVA 18. 2 18. 2 kVA Rated Output Voltage 26. 4 V 28 V 30 V 34 V 21. 6 36 V Rated Output Current 160 A 200 A 250 A 350 A 400 A Rated Duty Cycle 100% 100% 100% 100%