PCB Care

Panasonic P03 Error Code

Outdoor Unit Over-High/Over-Low DC Voltage Protection.

ac · Inverter Split (generic)
Outdoor Unit Over-High/Over-Low DC Voltage Protection

Cause: DC bus voltage outside safe range

How to fix: Check PFC circuit, bus capacitor, and rectifier diodes.

Panasonic boards that may fix P03

If the board is the cause, these refurbished Panasonic boards are in stock. Match the part number before you order.

Other Panasonic codes

E00E01E02E08EEF02F03F04F06F09F93F96