PCB Care

Carrier P1 Error Code

Outdoor Over-High/Over-Low AC Voltage Protection.

ac
Outdoor Over-High/Over-Low AC Voltage Protection

Cause: Supply voltage outside safe operating range

How to fix: Check incoming mains voltage, install stabilizer if fluctuating.

Carrier boards that may fix P1

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

Other Carrier codes

E0E1E2E3E4E5ECF0F1F2F3F4