!
error Carrier

Error Code E02

Supply damper timeout — motor did not reach desired speed in allocated time.

? What Causes This

Obstructed or misaligned supply damper components, loose or incorrectly inserted connector J5 (white).

How to Fix It

Unplug unit. Clear any obstructions from the damper system and check for loose wires at connector J5.

Source: page 19 of the official manual

From the manual

Manual page 19 — Carrier error E02

This error code appears in:

Carrier Hrvccsva1100