# Numerical error summary

The following table lists NaturalFax errors in numerical order:

Hex | Decimal | Error name
--- | --- | ---
0x050201 | 328193 | NFXERR_CONNECT_FAILED
0x050202 | 328194 | NFXERR_NEGOTIATION_FAILED
0x050206 | 328198 | NFXERR_QUEUE_EMPTY
0x050207 | 328199 | NFXERR_BAD_FILE_FORMAT
0x050208 | 328200 | NFXERR_QUEUE_TOO_LATE
0x050209 | 328201 | NFXERR_SESSION_FAILED
0x05020A | 328202 | NFXERR_OPEN_QUEUE_FAILED
0x05020B | 328203 | NFXERR_BAD_PAGE_SIZE
0x05020C | 328204 | NFXERR_CONVERSION_REQUIRED
0x05020D | 328205 | NFXERR_CHECK_BAD_LINES
0x05020E | 328206 | NFXERR_CHECK_DIFF_ATTRIB
0x050210 | 328208 | NFXERR_RATE_TOO_LOW
0x050211 | 328209 | NFXERR_BUFFER_UNDERRUN
0x050212 | 328210 | NFXERR_BUFFER_OVERRUN
0x050213 | 328211 | NFXERR_NO_MODEMS
0x050214 | 328212 | NFXERR_NO_PPM
0x050215 | 328213 | NFXERR_NO_PPM_RESPONSE
0x050217 | 328215 | NFXERR_PROTOCOL_ERROR
0x050219 | 328217 | NFXERR_FAX_SERVICE
0x05021A | 328218 | NFXERR_FXM_SERVICE
0x05021B | 328219 | NFXERR_REMOTE_DCN
0x05021C | 328220 | NFXERR_NO_REMOTE
0x05021D | 328221 | NFXERR_CARRIER_LOST
0x05021E | 328222 | NFXERR_RETRAIN_NEGATIVE
0x05021F | 328223 | NFXERR_T5_TIMEOUT
0x058000 - 0x05FFFF | 360448 - 393215 | NFX_INTERNAL_ERROR