Mitsubishi Electric GOT SIMPLE GS2110-WTBD User Manual page 272

■1. GOT status check sheet
Start the check from (1) GOT status.
Follow the instructions in the corrective action column.
(1) GOT status
Phenomenon
(a) Frequency of a case where the GOT does not operate or the screen is not displayed properly
Always
Sometimes
(b) The display of an error code (system alarm)
Can be confirmed
Cannot be confirmed
(c) Screen display
The screen is entirely black.
The screen is entirely white.
A line appears on the screen.
Other display errors
The screen is frozen.
(d) Buzzer sound
No buzzer sound
Beeps randomly
Beeps in a pattern
Beeps without a pause
22 - 2
22.1 GOT Restoration Sheets
Cause/Status
Frequency:
(
Example: Once a month
Error code (system alarm):
(
Example: 460 Communication unit error
The possible cause is a failure of the liquid
crystal or an error of the Boot OS.
The possible cause is a hardware failure of the
GOT.
The possible cause is a hardware failure of the
GOT.
Example: A vertical line appears on the screen.
The screen display is not updated and the
screen cannot be operated.
Buzzer sound:
(
Example: The buzzer repeats in the rhythm of
"beep-beep-beep, beep, beep-beep".
The possible cause is the activated buzzer
output signal. When the reading device of the
system information is set, the device may be
turned on and the buzzer output signal may be
activated.
Corrective action
) Go to (1)-(b).
Take corrective actions for the confirmed
error code (system alarm) and error
message.
)
If the status does not change even after the
corrective actions are taken, go to (1)-(c).
Go to (1)-(c).
Take corrective actions in the following
order.
1) Re-install the Boot OS.
2) Re-install the standard monitor OS.
When the GOT is still not restored after
Action 1) and 2) are taken, perform the
following.
If the GOT is still not restored, go to (5)
Actual product investigation.
Go to (5) Actual product investigation.
Go to (5) Actual product investigation.
Go to (1)-(d).
) Go to (2) Status where the GOT screen is
frozen.
Check the setting of the reading device.
When the buzzer output signal has no
error, proceed to (2) Status where the GOT
screen is frozen.