91e_Trouble shooting en bedingt.fm, 24.09.2007
P1891E/EN 09/07
43
Troubleshooting
8
Problem
Possible cause
Action
868 MHz data communication between controller and tool
No serial communica-
tion is possible
between the controller
and the base station.
(Error displayed after
Accept
<F1> is pressed
in
Communication/
Tool
.)
Wrong serial cable is
used.
¾
Use a null modem cable (crossed).
Wrong port is selected
for connection with the
controller.
¾
In the
Communication/Tool
screen of the con-
troller, check the port settings for
RF Serial
.
Note:
If the settings are changed, it is necessary
to press Accept <F1> in order to apply the set-
tings.
¾
Check that the serial cable is connected to the
selected port.
Selected port is used
for serial data transmis-
sion.
¾
In the
Communication/Data
Transmission
screen of the controller, check whether serial
data transmission is enabled (the protocol is
set to anything except NONE), and whether
the same port is being used.
¾
If so, select a different port or disable serial
data transmission.
¾
Check all available tools as necessary. The
same port cannot be used for serial data trans-
mission and data communication with base
station tool.
Power outlet not active.
¾
Check the voltage at the outlet socket where
the base station is plugged in for power supply.
