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Troubleshooting ____________________________________________________________ 12-1
Chapter 12: Troubleshooting
PROBLEM
A. The PowerMax
Remote
Programmer
doesn't identify the
modem
B. Failure to com-
municate with the
PowerMax via the
modem.
DIAGNOSIS
A1. Your modem
might be OFF or
loosely
connected.
A2. You may have a
COM\IRQ
conflict.
B1. You may have a
conflict with the
definitions in the
communication
mode window.
B2. Your modem is
set to work at a
high baud rate.
B3. The modem type
is different from
the type displayed
in the OPTIONS
menu / Com-
munications tab.
B4. The initialization
string is the
wrong one for the
modem in use.
POSSIBLE SOLUTION
A1. Make sure the modem is turned ON. A
power switch is available on any external
modem. The light on the front panel should
illuminate.
Note: An internal modem is powered up
when the computer is turned on.
Check whether the cable connectors are
fitted securely to their respective ports:
The line connector in case of an internal
•
modem
The line and RS-232 connectors in case
•
of an external modem.
A2. Check whether you have the correct Com
port and IRQ settings in your software
and/or in the Windows Control Panel. Also
verify that there are no conflicts with other
devices.
B1. Make sure you selected the Telephone
Modem option in the communication mode
window. Also verify that the correct modem
and INIT string are specified.
B2. You need to set the baud rate to 300 bps
B3. Check that the correct modem type has been
selected.
B4. Select the correct string from the list of
Recommended Initialization Strings.
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