Alto 800 not start? check for fuse and relay 

Alto 800 not start? check for fuse and relay before testing the relay, ensure the fuse is working appropriately, and if it is not, you should consider replacing it before checking the relay easy to visually inspect the element in a fuse to see if it has blown, F or relay check use a digital multimeter (DMM) to test the resistance between each pole of the relayfrom 50-120 ohms is ok. Out of range or open means a bad electromagnet coil winding and time for a new relay.