Mitsubishi Electric GT1695M-XTBD User Manual page 447

Error
Error message
code
Unit mounted incorrectly.
484 Move the unit to correct
position.
Too many units mounted
485
on GOT. Reduce units.
Communication unit not
486 corresponded to set
communication driver.
Please turn on the PLC
487
and the GOT again.
Too many units mounted
488
on GOT. Reduce units.
Inactive channel has been
489 selected at
Communication Settings.
Simultaneous mounting of
490
the units are not allowed.
Too many units mounted
491
on GOT. Reduce units.
Unusable communication
492
units are mounted.
Warning! Built-in battery
500
voltage is low.
Warning! Backlight needs
502
replacement soon.
Action
The unit is not mounted on the GOT in the correct position.
Confirm the mounting position of the unit.
Units are mounted on the GOT exceeding the maximum
number of mountable units.
Check the number of units, and remove unnecessary units.
The communication driver set in the Communication Setting
and the communication unit installed on the GOT do not
match.
1. Check whether the communication driver set in the
Communication Setting is correct.
2. Check whether any incorrect communication unit has
been installed on the GOT.
Turn the power of the PLC and GOT on again.
Units are mounted on the GOT exceeding the maximum
number of mountable units.Check the number of units, and
remove unnecessary units.
Inactive channel No. has been set in the project data.
1. Check whether any unnecessary channel No. has been
set in the project data.
2. Check whether channel Nos. set in the project data are
set in the Communication Settings.
Two or more units which cannot be mounted on the GOT
simultaneously are mounted.Check the mounted units, and
remove unnecessary units.
Units are mounted on the GOT exceeding the maximum
number of mountable units.Check the number of units, and
remove unnecessary units.
Unit unusable for GOT is installed.
Remove the unusable unit.
The voltage of the GOT built-in battery is decreased.
Replace the GOT built-in battery.
The dedicated GS is notifying that the backlight power on
addition time has reached 80% or more of the set time.
The GOT can be restored by executing the addition times
reset function after replacing the backlight. The GOT can also
be restored by turning off the notification signal manually. In
such a case, turn it OFF after setting a value greater than the
addition time.
16.3 Error Message and System Alarm
16.3.2 List of error message/system alarm
9
Channel
No.
storage
*1
10
*1
*1
11
12
*1
*1
13
*1
*1
14
*1
15
16
16
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