Mitsubishi Electric e12l85440 Printed Circuit Board for Msz Series Air Conditioners

Product Description

The Mitsubishi Electric e12l85440 is a printed power circuit board designed as a direct replacement component for select MSZ-FH series mini-split air conditioner indoor units. This board serves as the primary control and power distribution hub inside the indoor air handler, managing communication between the thermostat input, fan motor, swing motor, and the outdoor condensing unit. HVAC technicians rely on this type of printed circuit board to restore full operation to a failed or damaged unit without replacing the entire system. The e12l85440 is compatible with the following Mitsubishi Electric indoor units: MSZ-FH06NA, MSZ-FH09NA, MSZ-FH12NA, MSZ-FH15NA, MSZ-FH18NA, and MSZ-FH18NA2. These are high-efficiency, inverter-driven ductless mini-split units commonly installed in residential and light commercial applications. When a control board fails, symptoms typically include the unit not powering on, error codes on the display, loss of communication with the outdoor unit, or erratic fan behavior. Replacing the printed circuit board with the correct OEM part restores proper functionality and avoids costly unit replacement. Using an exact OEM replacement like the e12l85440 ensures the board matches the factory wiring harness connectors, voltage ratings, and firmware logic built into the MSZ-FH series platform. This is critical for maintaining inverter efficiency and refrigerant cycle management. HVAC service technicians, refrigeration contractors, and facilities maintenance teams working with Mitsubishi Electric ductless systems should stock this board when servicing any of the listed compatible models. Always disconnect power before removing or installing a circuit board and follow manufacturer service documentation.

• Direct OEM replacement printed power circuit board for Mitsubishi Electric MSZ-FH series indoor units
• Compatible with MSZ-FH06NA, MSZ-FH09NA, MSZ-FH12NA, MSZ-FH15NA, MSZ-FH18NA, and MSZ-FH18NA2 models
• Restores full unit operation including fan control, swing motor, and outdoor unit communication

Product Highlights

The Mitsubishi Electric e12l85440 printed circuit board is a factory OEM component built to restore reliable operation in MSZ-FH series ductless mini-split indoor units. It provides an exact-fit replacement for technicians servicing Mitsubishi Electric ductless systems in residential and light commercial settings.

Product Information

Standard Information

• Brand: MITSUBISHI ELECTRIC
• Manufacturer Part Number: e12l85440

Technical Specifications

• Compatible Brand: Mitsubishi Electric
• Compatible Models: MSZ-FH06NA, MSZ-FH09NA, MSZ-FH12NA, MSZ-FH15NA, MSZ-FH18NA, MSZ-FH18NA2
• Component Type: Printed Power Circuit Board
• Application: Indoor Air Handler Unit Control and Power Distribution