T-D2-IN / T-D2-OS Service Manual
Ver. 1.00
50
CONFIDENTIAL
12-2. Verifying functionality of computer board and Displaying error code history,
and Clearing error code history memory
The T-D2-IN and T-D2-OS has an “Error-call button” on the
computer board that provides the functions listed below.
The button is located next to the 7-seg LED (as shown in
the picture to the right).
Check if the computer board works properly
1.
Turn on the ON/OFF button of TM-RE30 remote control.
2.
If the computer board works properly, the 7-seg LED will light in a circular "0" pattern, one
segment at a time.
Displaying error code history
1.
Briefly press the “Error-call button” (do not hold down the
button).
2.
If the T-D2-IN or T-D2-OS has had prior error codes, the
7-seg LED will display the most recent error code first.
Pressing the button again will display the 2
nd
most recent
error code and so on (Computer saves a maximum of 10
error codes). If the T-D2-IN or T-D2-OS has never had any
error codes, the 7-seg LED will display a bar “—“.
Clearing error code history memory
1.
Press and hold the “Error-call button” for at least 5
seconds.
2.
The 7-seg LED will display “C”, “L” and “r” in
succession to signify that the computer board
memory has been erased of all error codes.
Error-call button
7-seg LED
