Partner 1680X Chess Computer
(600-2428A)                Troubleshooting            Faxback Doc. # 17073

If your computer is not working as it should, follow the suggestions below
to see if can eliminate the problem. If you cannot, take the computer to
you local Radio Shack store for assistance.

Symptom                                     Solution

The LCD display is dim or blank             Slide lllii to the left until
                                            the display appears

The computer does not accept a              Verify the position of all
legal move, or displays an                  pieces, black and white. See
unexpected move.                            "Verifying Piece Positions."

During a normal game, the LCD               The computer is set to the
display shows "oob" and will not            coach function. Press COACH
accept white's move.                        until the file board light
                                            displays G (NORMAL) and the
                                            display shows "Coa."  See Coach
                                            Function"

During set up, the computer                 Correct the setup. See
displays ILL and will not accept           "Correcting Illegal Setups"
the setup

During a game, the computer will            The computer is set to the
not display evaluation rating, search       mate finder level, and cannot
depth, or current move information          display an evaluation rating
when EVALUATION is pressed                  during a mate search game.
                                            Choose another button or
                                            level.

During a normal game, the                   The computer is set to silent.
computer will not beep.                     Press COACH until the file
                                            board light displays G (NORMAL)
                                            and the display shows "Coa."
                                            See "Turning the Sound On or
                                            Off."

The computer does not work at all.          Check the batteries and AC
                                            adapter (if used).