T.3.5 An alarm sounds continuously
Is an error code displayed?
Cause
The transferred project file may have an error, or the
communication with the connected device may have a problem.
Solution
Check the error code. See the following sections for the
description and handling method of the error code.
T.7 Display-related errors
Did the
buzzer start sounding after you changed the screen data setting or
the ladder program of the connected device?
Cause
The bit which activates the
buzzer may have turned on when the screen data setting or the
ladder program of the connected device was changed.
Solution
In order to isolate the problem, disconnect any cables which
connect the display unit and other devices, turn off the display
unit once, and turn it on again. Then try the following solutions
in this order.
-
The problem can be easily isolated by
disconnecting the cables connecting other devices. If, however, the
GP is installed in an environment where disconnecting the cables is
difficult, you can try the following solutions without
disconnecting the cables.
You can
activate the buzzer of the display unit by turning ON Bit 01 of the
14th word from the system area start address.
27.3 Sounding
the Display Unit Buzzer from a Device/PLC
If the bit is ON, you can stop the buzzer by
turning OFF the bit.
If the range of the system data area overlaps
with the range used by the ladder program of the connected device,
change the system area start address in offline mode. to change the
system area start address, see the following.
M.16.2.6
Main Unit - System Area Settings
The screen data may have a problem. Try the
forced setup function of GP-Pro EX to transfer the project file
again. to force the transfer with GP-Pro EX, click [Transfer
Project]. The [Transfer Tool] dialog box appears. Select [Transfer
Settings]. In the [Transfer Settings] dialog box, set [Transfer
System] to [Forced], then click OK and start the transfer.
34.11.1 Transfer
Settings Guide

The display unit may be faulty. Please
contact the Pro-face customer care center.
T.11.2 Telephone
Contact
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