PCB Care

Carrier PH Error Code

Heating Outdoor Ambient Temperature Over-High Protection.

ac
Heating Outdoor Ambient Temperature Over-High Protection

Cause: Outdoor ambient temperature above operating range in heating mode

How to fix: Verify outdoor ambient sensor accuracy, check if unit operating outside rated range.

Carrier boards that may fix PH

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

Other Carrier codes

E0E1E2E3E4E5ECF0F1F2F3F4