HVACopediaTrane air conditioner error codes
57 codes with causes and test steps, plus 2 settings tables.
| Code | Meaning | Severity |
|---|---|---|
| 2nd digit 1 | MOC fault (A1000AA board) | High |
| 2nd digit 2 | MOC communication fault (A1000AA board) | High |
| 2nd digit 3 | Compressor internal protection (IOL/OLP) (A1000AA board) | High |
| 2nd digit 4 | Compressor over-current protection (A1000AA board) | High |
| 2nd digit 5 | Outdoor fan over-current protection (A1000AA board) | High |
| 2nd digit 6 | High preheat IPM temperature (A1000AA board) | High |
| 2nd digit 7 | High coil temperature protection (A1000AA board) | High |
| 2nd digit 8 | High discharge temperature protection (A1000AA board) | High |
| 2nd digit 9 | High drive compressor IPM temperature (A1000AA board) | High |
| 2nd digit A | Outdoor ambient sensor fault (A1000AA board) | Medium |
| 2nd digit C | Coil temperature sensor fault (A1000AA board) | Medium |
| 2nd digit E | High drive PFC temperature protection (A1000AA board) | High |
| 2nd digit F | High drive fan IPM temperature protection (A1000AA board) | High |
| 2nd digit P | Pressure protection (high or low) (A1000AA board) | High |
| 2nd digit b | AOC jumper pin engaged (A1000AA board) | Medium |
| 2nd digit d | Discharge temperature sensor fault (A1000AA board) | Medium |
| d5 | De-rate: drive AC input over-current | Medium |
| d6 | De-rate: high drive IPM temperature | Medium |
| d7 | De-rate: high drive PFC temperature | Medium |
| d8 | De-rate: high coil temperature | Medium |
| E0 | Personality module error | High |
| E1 | Configuration error | High |
| E2 | AOC software / configuration mismatch | High |
| F0 | AOC-MOC communication fault | High |
| F1 | Compressor start-up fault | High |
| F2 | Compressor over-current | High |
| F3 | Compressor control fault | High |
| F4 | Outdoor fan control fault | High |
| F5 | AC over-current fault | High |
| F6 | Drive high temperature fault | High |
| F7 | AC input voltage low | High |
| F8 | DC output voltage fault | High |
| F9 | Drive (MOC) internal fault | High |
| H5 | Hard lock: drive AC input over-current | Critical |
| H6 | Hard lock: high drive IPM temperature | Critical |
| H7 | Hard lock: high drive PFC temperature | Critical |
| H8 | Hard lock: high coil temperature | Critical |
| L5 | Lockout: drive AC input over-current | High |
| L6 | Lockout: high drive IPM temperature | High |
| L7 | Lockout: high drive PFC temperature | High |
| L8 | Lockout: high coil temperature | High |
| FA | Outdoor ambient sensor fault | Medium |
| FC | Coil temperature sensor fault | Medium |
| Fd | Discharge temperature sensor fault | Medium |
| HC | Hard lock: compressor over-current | Critical |
| HF | Hard lock: outdoor fan over-current | Critical |
| HH | Hard lock: high pressure (HPCO / DTC) | Critical |
| HL | Hard lock: low pressure (LPCO) | Critical |
| Hd | Hard lock: high discharge temperature | Critical |
| LC | Lockout: compressor over-current | High |
| LF | Lockout: outdoor fan over-current | High |
| LH | Lockout: high pressure (HPCO / DTC) | High |
| LL | Lockout: low pressure (LPCO) | High |
| Ld | Lockout: high discharge temperature | High |
| dC | De-rate: compressor over-current | Medium |
| dF | De-rate: outdoor fan over-current | Medium |
| dd | De-rate: high discharge temperature | Medium |
Settings and specs
Outdoor unit placement
Clearances · Trane 5TTR7
| Item | Value |
|---|---|
| Above unit | 5 ft clear |
| Service side | 3 ft |
| Walls / shrubs | 12 in. min |
| Pad | 1 in. larger than unit all round, level, separate from house |
| Cold climate (HP) | raise 3-12 in. above pad |
| Within 1 mile of salt water | add BAYSEAC001 if no factory salt shield |
| Operating range | cooling 55-120 F, heating 0-66 F |
- Avoid bedroom walls and under roof drip lines.
Source: Trane ODR-SVN002E-EN (5TTR7/5TWR7) - Location Considerations / Table 1
Dimensions and weights
Specifications · Trane 5TTR7
| Model | H x D x W (in.) | Weight (lb) |
|---|---|---|
| 5TWR7024A | 41 x 30 x 33 | 181 |
| 5TWR7036A | 41 x 30 x 33 | 194 |
| 5TWR7048A | 41 x 34 x 37 | 231 |
| 5TWR7060A | 41 x 34 x 37 | 241 |
| 5TTR7024A | 41 x 30 x 33 | 176 |
| 5TTR7036A | 41 x 30 x 33 | 189 |
| 5TTR7048A | 41 x 34 x 37 | 226 |
| 5TTR7060A | 41 x 34 x 37 | 236 |
- Weights are estimated, uncrated.
Source: Trane ODR-SVN002E-EN (5TTR7/5TWR7) - Table 2
Models covered
5TTR7024A5TTR7036A5TTR7048A5TTR7060A
For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.