T-962 reflow oven 10 – Wiring and connections

Earth connection

Safety first!, before powering on the device, open it up and check the wiring of the earth connection on the outside casing, because of the case powder coating it will make NO contact, unscrew it and grind the coating off to make proper connection:

Other connections

Check and pull down some heat insulating protections to see if the wire connection are good and well made:

Wiring of the main board