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3. Error Display
When the writing of the NFC tag data has failed, "Error" is dis-
played on the screen of the smartphone.
When "Error" is displayed on the screen of the smartphone, oper-
ate according to the procedure below.
Procedure:
1. Tap the "Write" on the screen of the smartphone to write of the
NFC tag data again.
2. When "Error" is displayed on the screen of the smartphone
again, tap the "Read" on the screen of the smartphone.
3. Check that "MODE" on the screen of the smartphone is not
"00 00 (Read-only)".
4. When "MODE" on the screen of the smartphone is "00 00
(Read-only)", execute the writing of the NFC tag data again
after replacing the knob (VOL) assy (Ref. No. NFC1).
(When "MODE" on the screen of the smartphone is "00 00
(Read-only)", the writing of the NFC tag data cannot execute)
WX-850BT/900BT/900BTM
4. Check Method of the NFC Tag Data
Check the NFC tag data according to the procedure below.
Procedure:
1. Check the Bluetooth address (BD_ADDR).
There are following two checking methods.
•
How to read from the BT module label
•
How to display on the liquid crystal display by the test
mode
How to read from the BT module label:
Set the unit to the state where the BT module on the MAIN
board can be seen.
(Refer to "3. DISASSEMBLY" on
– MAIN Board (Component Side) –
48D2242F241A
BT module label
and after)
page 22
BD_ADDR
(Barcode)
BD_ADDR
– Continued on next page –
13
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