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Chapter 12: Troubleshooting
PROBLEM
B. Failure to com-
municate with the
control panel via
the modem.
(cont.)
C. PC fails to
communicate
with the control
panel via the
Serial Port.
74
DIAGNOSIS
B4. The initialization
string is the
wrong one for the
modem in use.
B5. Modem is not
properly installed
in operating
system
(Windows).
C1. The RS-232
cable is
disconnected
from the Com
Port of your PC.
C2. The
PowerMax/Power
Master is not set
to the installer
mode.
C3. You may have a
definition conflict
in the OPTIONS
menu/
Communications
settings
C4. Your serial port is
defined to work
with high or low
baud rate.
C5. You may have a
COM Conflict.
POSSIBLE SOLUTION
B4. Select the correct string from the list of
Recommended Initialization Strings.
B5. Make sure that the modem is
recognized by Windows.
If not, click Start Setting Control
Panel. Double click the Modems icon
and follow the instructions on the
displayed Install New Modem window.
C1. Verify proper connection of the RS-232
cable.
C2. Set the control panel to the installer
mode.
C3. Make sure that the Serial Port option is
currently selected.
C4. Make sure 9600 bps option is currently
selected in the OPTIONS menu /
Communications.
C5. Verify that the correct Com Port is
specified in the OPTIONS menu /
Communications
DE5450S Remote Programmer Guide Rev. 8
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