Yaskawa VCD 723 - Manual (Page 58)

ERROR/FAULT PROBABLE CAUSE CORRECTIVE ACTION
4 Troubleshooting/Maintenance
52 Fault and Error Conditions
9/15/93
Refer to troubleshooting chart 13.
Replace the cable between the
MicroTrac card and the drive.
Replace MicroTrac circuit card.
➊
Check serial port cable wiring and
connections.
❷
Check software executing on PC.
➊
Check serial port cable wiring and
connections.
❷
Check software executing on PC.
➊
Check serial port cable wiring and
connections.
❷
Check software executing on PC.
Use one of the proper file extensions
when using Upload or Download (i.e.,
.PAC or .PRG).
➊
Check serial port cable wiring and
connections.
❷
Check software executing on PC.
The Y Modem transfer was cancelled
by the user. This occurs when the ESC
key is pressed on the LCDU or when
the user cancels it through use of the
communications software executing on
the PC.
➊
Check serial port cable wiring and
connections.
❷
Check software executing on PC.
➊
Check serial port cable wiring and
connections.
❷
Check software executing on PC.
➊
Check serial port cable wiring and
connections.
❷
Check software executing on PC.
➊
Check serial port cable wiring and
connections.
❷
Check software executing on PC.
Table 8. Standard Error and Fault Descriptions - Continued
113, MISSING PCU
121, DP RAM ERROR
260, ITERATION T/O
261, OUT OF SEQUENCE
262, BYTE TIMEOUT
263, WRONG FILE TYPE
264, NULL BLK EXPECTD
265, USER CANCELLED
266, UNEXPECTD NL BLK
267, WRONG S-REC TYPE
268, BAD S-REC CHECK
269, BAD, S-REC ENDREC
The MicroTrac is running but not
communicating with the processor on
the Power Conversion Unit circuit card.
The cable between the MicroTrac card
and the inverter is bad. The Dual Port
RAM on the MicroTrac card is bad.
Upload/Download protocol detected,
too many retries.
Upload/Download protocol block
sequence is not contiguous.
Upload/Download protocol more than
one second has elapsed between block
byte transmission or reception.
Upload/Download protocol
unrecognized file extension.
Upload/Download protocol partial null
block was sent.
Upload/Download protocol user abort.
Upload/Download protocol, a null
block was not expected.
Upload/Download protocol only S2
and S8 records are OK.
Upload/Download protocol S record
did not verify.
Upload/Download protocol END
record did not verify.