Pacific UPC-32 Operation Manual page 130

SECTION 9 DIAGNOSTICS
9 USER DIAGNOSTICS (cont'd)
PROBLEM
UPC does not respond to the RS-232,
or responds with a COMMAND ERROR message.
PROBLEM
UPC displays "TRANSITION IN PROGRESS"
for an extended length of time upon power-up.
PROBABLE CAUSES –
Incorrect communication parameters, i.e., Serial baud rate,
parity or number of data/start/stop bits.
Handshaking signals may not be wired correctly
SUGGESTED CURE:
Verify parameter settings match that of host computer. See
section 10.3, 10.4.
Verify handshake signals are connected properly. See
section 10.5.1 for additional help.
PROBABLE CAUSES –
A long Transition time was programmed into the UPC. The
UPC is designed to execute the previously executed
Program parameters or MANUAL MODE parameters upon
power-up.
SUGGESTED CURE:
If it is desired to terminate the Transition, press the TRANS
key. To prevent the UPC from beginning the Transition,
hold the fn key down while applying power with the INPUT
POWER switch
118