PCB Care

Panasonic H11 Error Code

Indoor to Outdoor Communication Fault.

ac · Inverter Split (generic)
Indoor to Outdoor Communication Fault

Cause: Signal wire fault between indoor and outdoor unit

How to fix: Check IDU-ODU communication wire for continuity, loose terminals, or shielding fault.

Panasonic boards that may fix H11

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

Other Panasonic codes

E00E01E02E08EEF02F03F04F06F09F93F96