Read Panasonic KX-DT333RU Service Manual online
21
KX-DT333RU/KX-DT333RU-B
7.6.
DXDP-DPT Does Not work
7.7.
Test Mode
This unit has the LCD and LEDs TEST mode
By using this mode, you can easily check LCD and LEDs.
- To TEST mode -
1)Pushing two button (dial 7 and CO1)together.
1)Pushing two button (dial 7 and CO1)together.
Then turn on a power supply (Connect the telephone line cord).
2)Press Dial 4.
- All Red LEDs lit.
- LCD displays "NNNNNNNNNNNNNNNN"
- LCD displays "NNNNNNNNNNNNNNNN"
3)Press Dial 5.
- LCD displays "IIIIIIIIIIIIIIII"
- All Green LEDs lit.
- All Green LEDs lit.
4)Press Dial 6.
- LCD displays "BBBBBBBBBBBBBBBB"
- All LEDs go Off.
- All LEDs go Off.
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