| 1 | Carrier Heat Pump Error Code 1: How to Fix It | low | Easy |
| 10 | Carrier Heat Pump Error Code 10: How to Fix It | high | Medium |
| 11 Flash | Carrier Furnace Error Code 11 Flash: How to Fix It | low | Easy |
| 12 Flash | Carrier Furnace Error Code 12 Flash: How to Fix It | medium | Medium |
| 13 | Carrier Heat Pump Error Code 13: How to Fix It | high | Medium |
| 13 | Carrier HVAC Error Code 13: How to Fix It | high | Medium |
| 13 Flash | Carrier Furnace Error Code 13 Flash: How to Fix It | critical | Medium |
| 14 | Carrier Heat Pump Error Code 14: How to Fix It | high | Medium |
| 14 | Carrier HVAC Error Code 14: How to Fix It | high | Medium |
| 14 Flash | Carrier Furnace Error Code 14 Flash: How to Fix It | critical | Medium |
| 15 | Carrier Heat Pump Error Code 15: How to Fix It | high | Medium |
| 15 | Carrier HVAC Error Code 15: How to Fix It | medium | Medium |
| 16 | Carrier HVAC Error Code 16: How to Fix Low Pressure Switch Lockout | medium | Medium |
| 17 | Carrier HVAC Error Code 17: How to Fix It | high | Medium |
| 21 | Carrier Heat Pump Error Code 21: How to Fix It | critical | Medium |
| 21 | Carrier HVAC Error Code 21: How to Fix Gas Heat Lockout | high | Medium |
| 21 Flash | Carrier Furnace Error Code 21 Flash: How to Fix It | critical | Medium |
| 22 | Carrier Heat Pump Error Code 22: How to Fix It | high | Medium |
| 22 | Carrier HVAC Error Code 22: How to Fix It | medium | Medium |
| 22 Flash | Carrier Furnace Error Code 22 Flash: How to Fix It | high | Hard |
| 23 | Carrier Heat Pump Error Code 23: How to Fix It | high | Medium |
| 23 | Carrier HVAC Error Code 23: How to Fix It | medium | Medium |
| 23 Flash | Carrier Furnace Error Code 23 Flash: How to Fix It | high | Medium |
| 24 | Carrier Heat Pump Error Code 24: How to Fix It | high | Hard |
| 24 | Carrier HVAC Error Code 24: How to Fix It | medium | Medium |
| 24 Flash | Carrier Furnace Error Code 24 Flash: How to Fix It | high | Medium |
| 25 | Carrier Heat Pump Error Code 25: How to Fix It | high | Hard |
| 25 | Carrier HVAC Error Code 25: How to Fix It | medium | Medium |
| 31 | Carrier Heat Pump Error Code 31: How to Fix It | high | Easy |
| 31 | Carrier HVAC Error Code 31: How to Fix It | medium | Medium |
| 31 Flash | Carrier Furnace Error Code 31 Flash: How to Fix It | high | Medium |
| 32 | Carrier Heat Pump Error Code 32: How to Fix It | high | Medium |
| 32 | Carrier HVAC Error Code 32: How to Fix It | medium | Medium |
| 32 Flash | Carrier Furnace Error Code 32 Flash: How to Fix It | high | Medium |
| 33 | Carrier Heat Pump Error Code 33: How to Fix It | critical | Medium |
| 33 | Carrier HVAC Error Code 33: How to Fix It | medium | Medium |
| 33 Flash | Carrier Furnace Error Code 33 Flash: How to Fix It | critical | Medium |
| 34 | Carrier Heat Pump Error Code 34: How to Fix It | high | Medium |
| 34 | Carrier HVAC Error Code 34: How to Fix Ignition Proving Fault | medium | Easy |
| 34 Flash | Carrier Furnace Error Code 34 Flash: How to Fix It | high | Medium |
| 41 | Carrier Heat Pump Error Code 41: How to Fix It | high | Hard |
| 41 | Carrier HVAC Error Code 41: How to Fix It | medium | Medium |
| 41 Flash | Carrier Furnace Error Code 41 Flash: How to Fix It | high | Medium |
| 42 | Carrier Heat Pump Error Code 42: How to Fix It | critical | Hard |
| 42 | Carrier HVAC Error Code 42: How to Fix It | medium | Medium |
| 42 Flash | Carrier Furnace Error Code 42 Flash: How to Fix It | high | Medium |
| 43 | Carrier Heat Pump Error Code 43: How to Fix It | critical | Medium |
| 43 | Carrier HVAC Error Code 43: How to Fix It | medium | Medium |
| 43 Flash | Carrier Furnace Error Code 43 Flash: How to Fix It | medium | Medium |
| 44 | Carrier Heat Pump Error Code 44: How to Fix It | critical | Medium |
| 44 | Carrier HVAC Error Code 44: How to Fix It | medium | Medium |
| 44 Flash | Carrier Furnace Error Code 44 Flash: How to Fix It | high | Medium |
| 45 | Carrier Heat Pump Error Code 45: How to Fix It | critical | Hard |
| 45 | Carrier HVAC Error Code 45: How to Fix It | medium | Medium |
| 45 Flash | Carrier Furnace Error Code 45 Flash: How to Fix It | critical | Hard |
| 46 | Carrier HVAC Error Code 46: How to Fix It | medium | Medium |
| 47 | Carrier HVAC Error Code 47: How to Fix It | medium | Medium |
| 48 | Carrier HVAC Error Code 48: How to Fix It | medium | Medium |
| 49 | Carrier HVAC Error Code 49: How to Fix It | medium | Medium |
| 50 | Carrier HVAC Error Code 50: How to Fix It | medium | Medium |
| 51 | Carrier HVAC Error Code 51: How to Fix It | medium | Hard |
| 52 | Carrier HVAC Error Code 52: How to Fix It | high | Medium |
| 53 | Carrier HVAC Error Code 53: How to Fix It | medium | Medium |
| 54 | Carrier HVAC Error Code 54: How to Fix It | medium | Medium |
| 55 | Carrier Heat Pump Error Code 55: How to Fix It | critical | Hard |
| 55 | Carrier HVAC Error Code 55: How to Fix It | medium | Medium |
| 56 | Carrier HVAC Error Code 56: How to Fix It | medium | Medium |
| 57 | Carrier HVAC Error Code 57: How to Fix It | medium | Medium |
| 58 | Carrier HVAC Error Code 58: How to Fix It | high | Hard |
| 59 | Carrier HVAC Error Code 59: How to Fix Zone Communication Fault | medium | Medium |
| 60 | Carrier HVAC Error Code 60: How to Fix It | medium | Medium |
| 61 | Carrier Heat Pump Error Code 61: How to Fix It | high | Hard |
| 61 | Carrier HVAC Error Code 61: How to Fix It | medium | Medium |
| 62 | Carrier HVAC Error Code 62: How to Fix It | medium | Medium |
| 63 | Carrier HVAC Error Code 63: How to Fix It | medium | Medium |
| 64 | Carrier HVAC Error Code 64: How to Fix It | critical | Medium |
| 65 | Carrier HVAC Error Code 65: How to Fix It | medium | Medium |
| 66 | Carrier HVAC Error Code 66: How to Fix It | medium | Medium |
| 67 | Carrier HVAC Error Code 67: How to Fix It | medium | Medium |
| 70 | Carrier Heat Pump Error Code 70: How to Fix It | high | Medium |
| 70 | Carrier HVAC Error Code 70: How to Fix It | medium | Medium |
| 71 | Carrier HVAC Error Code 71: How to Fix It | medium | Medium |
| 72 | Carrier HVAC Error Code 72: How to Fix It | medium | Medium |
| 73 | Carrier Heat Pump Error Code 73: How to Fix It | critical | Medium |
| 73 | Carrier HVAC Error Code 73: How to Fix It | medium | Medium |
| 74 | Carrier HVAC Error Code 74: How to Fix It | medium | Hard |
| 75 | Carrier HVAC Error Code 75: How to Fix It | medium | Medium |
| 76 | Carrier Heat Pump Error Code 76: How to Fix It | medium | Medium |
| 76 | Carrier HVAC Error Code 76: How to Fix IGBT Short Circuit | high | Hard |
| 77 | Carrier HVAC Error Code 77: How to Fix It | medium | Medium |
| 78 | Carrier HVAC Error Code 78: How to Fix It | medium | Hard |
| 79 | Carrier HVAC Error Code 79: How to Fix It | medium | Medium |
| 80 | Carrier HVAC Error Code 80: How to Fix It | medium | Medium |
| 81 | Carrier HVAC Error Code 81: How to Fix It | medium | Easy |
| 82 | Carrier Heat Pump Error Code 82: How to Fix It | medium | Medium |
| 82 | Carrier HVAC Error Code 82: How to Fix It | medium | Medium |
| 83 | Carrier HVAC Error Code 83: How to Fix It | medium | Medium |
| 84 | Carrier HVAC Error Code 84: How to Fix It | high | Medium |
| 85 | Carrier HVAC Error Code 85: How to Fix It | medium | Medium |
| 86 | Carrier HVAC Error Code 86: How to Fix It | medium | Hard |
| 87 | Carrier HVAC Error Code 87: How to Fix It | medium | Medium |
| 88 | Carrier HVAC Error Code 88: How to Fix It | medium | Medium |
| 89 | Carrier HVAC Error Code 89: How to Fix It | medium | Medium |
| 90 | Carrier HVAC Error Code 90: How to Fix It | medium | Medium |