INFICON XTC/C Thin Film Deposition Controller - Manual (Page 159)

6 - 11
IP
N 07
4-
18
3X
XTC/C - XTC/2 Operating Manual
f. F = cannot change value
now f. the command sent is for a
parameter that cannot be
changed while the instrument
is executing a Process; place
the instrument in the READY
state in order to change the
value.
g. G = bad checksum g. checksum value does not
match the value sent by the
host’s application program,
may be caused by noise on
the RS232 cable or the
checksum is not calculated
properly by the applications
program.
h. O = data overrun h. I/O port unable to keep up
with data transfer rate; lower
BAUD rate, increase speed of
host’s applications program
by using a compiled version of
the program, streamlining
program execution, a faster
CPU
Table 6-3 Troubleshooting Computer Communications (continued)
SYMPTOM CAUSE REMEDY