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error Carrier

Error Code E01

Supply damper range issue detected.

? What Causes This

Damaged/obstructed supply damper system, loose or incorrectly inserted connector J5 (white).

How to Fix It

Unplug unit. Inspect and clean damper system if necessary; check for loose wires at connector J5.

Source: page 19 of the official manual

From the manual

Manual page 19 — Carrier error E01

This error code appears in:

Carrier Hrvccsva1100