Carrier Appliance Error Codes | Official Service Manuals
Overview
Section titled “Overview”This page contains 88+ error codes for Carrier appliances, extracted directly from official Carrier service manuals.
Categories
Section titled “Categories”Air-Conditioner
Section titled “Air-Conditioner”| Model | Error Codes |
|---|---|
| 42qhc018ds | 6 codes |
| 42qhc024ds | 6 codes |
| 42qhc030ds | 6 codes |
Furnace
Section titled “Furnace”| Model | Error Codes |
|---|---|
| 58sta060-12 | 6 codes |
| 58sta080-16 | 6 codes |
| 58sta100-20 | 6 codes |
Heat-Pump
Section titled “Heat-Pump”| Model | Error Codes |
|---|---|
| 25hcc318a003 | 6 codes |
| 25hcc324a003 | 6 codes |
| 25hcc330a003 | 6 codes |
Mini-Split
Section titled “Mini-Split”| Model | Error Codes |
|---|---|
| 40maqb12a3 | 6 codes |
| 40maqb18a3 | 6 codes |
| 40maqb24a3 | 6 codes |
Window-Ac
Section titled “Window-Ac”| Model | Error Codes |
|---|---|
| cac09cnlwb | 5 codes |
| cac12cnlwb | 5 codes |
| cac18cnlwb | 6 codes |
Last Updated: March 2026