Hitachi Overheating Electrical Component

Unit emits burning or electrical smell during operation

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Loose electrical connection causing arcing, Overheated PCB component, Motor winding insulation breakdown, Foreign object contacting hot parts

Safety first: Immediately turn OFF the unit and the breaker. Do not continue operating with a burning smell.

Steps:

Visual inspection: After cooling, open indoor and outdoor electrical covers and look for burnt marks, melted plastic, or discolored components.
Do not touch: Avoid touching suspect components; note their location for the technician.

Next steps: Contact a qualified technician to replace burnt components and correct any wiring faults.

Professional Required 5/5

Indoor/Outdoor Main PCB or Motor

Check Price on Amazon

We may earn a commission from links on this page.