User manual

Magelis E - 5
E
E
1. Troubleshooting/Problems and solutions
Fault Cause Remedy
"Cannot read dialog table"
message displayed on
terminal
The equipment declared for the
dialog table does not exist
Modify the list of equipment and
check the declared addresses
No memory allocation for the dialog
table has been declared in the PLC
Allocate memory space for the
dialog table in the PLC (e.g.,
%MW100 to %MW125)
The equipment is not connected to
the terminal
Check the connection
"Incorrect terminal type in
.dop file" message
displayed on terminal
The application has been exported
to a terminal on which it was not
designed to run
Modify the terminal type in the
XBT L100• program and export the
application again
"?????" displayed rather
than any values
No memory allocation for this
variable has been declared in the
PLC
Allocate memory space for the
variable
The equipment declared for the
variable does not exist
Modify the list of equipment and
check the declared addresses
The equipment is not connected to
the terminal
Check the connection
The field is an enumerated list
containing Chinese characters
Check that the field is not an
enumerated list, which has been
copied from an application in
Chinese
The terminal type selected in the
application is not compatible with
the terminal on which it is running.
Modify the terminal type in the
XBT L100• program and export the
application again
The equipment is connected to the
terminal via an XBT Z978 cable
Check the connection. Try using an
XBT Z9780 cable
The equipment is connected to the
terminal via an XBT Z9780 cable
Check the connection. Try using an
XBT Z978 cable (equivalent to an
XBT Z9780 cable equipped with an
XBT ZN999 adaptor).
The XBT L100• program is not the
latest version
Install the latest version of the
XBT L100• program
"Incorrect dialog table
authorization" message
The value of the authorization word
stored in the PLC is not correct
Using XBT L100•, check the
expected value
(…\Configuration\Dialog Table) and
its location in the equipment
Product "dead" XBT N401/NU400: No 24 V power
supply
Check the power supply
XBT N200/400: No power supply via
the PC mouse port. "Dialog table"
forces the backlight to remain off.
No power supply via the PLC
communication port in run mode.
Check whether the PC mouse port
has been activated (see PC Control
Panel), check the PLC program.
Check whether the cable is
connected to the PLC port.
Check that power is being supplied
to the PLC.
"Cannot read/write
variable" message
The equipment declared for the
variable does not exist
Check the addresses declared for
the equipment
The variable does not have a valid
address in the declared device
Check the variable address
The equipment is not connected to
the terminal
Check the connection