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13: T
ROUBLESHOOTING
13-14
W
EB
S
ERVER
CPU M
ODULE
U
SER
’
S
M
ANUAL
FC9Y-B1278
Troubleshooting Diagram 6
Correct the Communication Settings
using WindLDR. See "Communication
Settings" of the advanced volume
(page 21-3).
Disable the user program protection.
For details, see “User Program Protection”
of the basic volume (page 5-44).
Is “Protect User Program”
enabled?
Communication between WindLDR on a computer
and the Web server CPU module is not possible.
Is the PWR LED on?
Is the computer link cable
connected correctly?
Connect the cable completely.
When only program download is not possible:
Only program download is not possible.
Is the Communication
Settings correct?
See Troubleshooting Diagram 1,
“The PWR LED does not go on.”
NO
NO
NO
NO
YES
YES
YES
Call IDEC for assistance.
YES
Call IDEC for assistance.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]