Problems with communication with I/O units
Maintenance/Troubleshooting
1-82
1.5.6 Communication fails with the EX module
Is an error message displayed?
If any of the following error messages appears on the Display, the EX module may not have been
properly recognized.
“RGEF52 I/O board init. error”
Cause
A project file created by GP-Pro EX Ver.2.00 or later may not have been transferred to
the Display.
Solution
• When a project file created by GP-Pro EX Ver.2.00 or later is transferred to the Display
(1) Force the project file to be transferred according to the procedure described in the following
section.
)
“2.12.3 Forcing the transfer of project files” (page 2-72)
(2) If the communication still fails after forcefully transferring the project file, the GP unit may be
faulty. Please contact your local GP distributor.
)
“1.7.2 Contact us!” (page 1-164)
• When a project file created by GP-Pro EX Ver.2.00 or later is not transferred
Transfer a project file created by GP-Pro EX Ver.2.00 or later to the Display.
“RGEF100 Module init. error”
“RGEF101 Module init. resp err”
“RGEF102 Module init. send err”
“RGEF103 Module init. rcv err”
“RGEF104 Module init. end err”
Cause
The EX module may not have been connected properly.
Solution
Correct the problem according to the following procedure.
• If the EX module is properly connected
(1) Turn OFF the LT. Remove the terminal connector or MIL connector. Turn ON the LT with
only the EX module connected. Check if any of the LEDs of the EX module turns ON.
(2) If any of the LEDs of the EX module turns ON, turn OFF the LT, attach the terminal connec-
tor or MIL connector to the LT and then check the communication. If no LEDs turn ON, the
LT may be faulty. Please contact your local LT distributor.
)
“1.7.2 Contact us!” (page 1-164)
• To avoid electric shock, be sure to disconnect the power supply cable of the
Display before connecting and removing the EX module.
