| 1 | Parameter within 1/8 grid spacing of grid edge: true value may be off grid (GRIDEDGE_BAD) |
| 2 | Parameter outside valid range of calibration determination (CALRANGE_BAD) |
| 4 | Other error condition (OTHER_BAD) |
| 8 | FERRE failed to return a value (FERRE_FAIL) |
| 16 | Elemental abundance from window differs significantly from parameter abundance (PARAM_MISMATCH_BAD) |
| 32 | FERRE uncertainty used (larger than parametric uncertainty) (FERRE_ERR_USED) |
| 64 | Star in region of parameter space where abundances do not appear valid for this element (TEFF_CUT) |
| 128 | |
| 256 | Parameter within 1 grid spacing of grid edge (not necessarily bad) (GRIDEDGE_WARN) |
| 512 | Parameter in possibly unreliable range of calibration determination (CALRANGE_WARN) |
| 1024 | Other warning condition (OTHER_WARN) |
| 2048 | FERRE warning (FERRE_WARN) |
| 4096 | Elemental abundance from window differs from parameter abundance (PARAM_MISMATCH_WARN) |
| 8192 | Comparison with optical abundances suggests problem (OPTICAL_WARN) |
| 16384 | Large expected uncertainty or upper limit based on location in parameter space (Teff, [M/H], S/N) (ERR_WARN) |
| 32768 | Warning based on faint star/RV combination (FAINT_WARN) |
| 65536 | Parameter set at fixed value, not fit (PARAM_FIXED) |
| 131072 | RV puts important line off of chip (RV_WARN) |
| 262144 | |
| 524288 | |
| 1048576 | |
| 2097152 | |
| 4194304 | |
| 8388608 | |
| 16777216 | Spectroscopically identified RC star (SPEC_RC) |
| 33554432 | Spectroscopically identified RGB star (SPEC_RGB) |
| 67108864 | DR16: use MS gravity calibration (LOGG_CAL_MS) |
| 134217728 | DR16: use RBG/MS transition gravity calibration (LOGG_CAL_RGB_MS) |
| 268435456 | |
| 536870912 | |
| 1073741824 | |
| 2147483648 |