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SYMPTOMS
The computer doesn’t react,
behaves erratically, or “freezes”
during a game.
Display is difficult to read.
The computer will not make a
move.
The computer will not accept your
move.
An error message shows when a
square is pressed.
You can’t exit Position Mode with
CLEAR—you only get beeps.
The display is showing _.
The computer seems to be making
illegal moves.
The computer is making instant or
irrational moves.
The computer is silent.
POSSIBLE CAUSES
• Batteries are not installed correctly.
• Batteries are weak or bad.
• Static discharge or an electrical disturbance has caused a
lock-up.
• Batteries are weak or bad.
• The Auto Answer option may be turned off.
• The computer is thinking for a long time on a high level.
• Is it your turn? Is your King in check? Will your move put
your King into check? Are you trying to castle incorrectly?
Are you moving to an illegal square?
• The computer is thinking (its color symbol is flashing).
•You have not entered the computer’s last move correctly
(wrong from or to square).
•You have set up an illegal position. A King may be in check,
too many pawns may be on the board, etc.
•You are in Position Mode, and have pressed ENTER to clear
the board.
• The computer has made a special move, such as en
passant, castling, or a pawn promotion.
•Your board position is incorrect.
• Batteries are running out.
• The computer may be on a low level where it moves quickly
and plays weaker than normal, due to limited search depth.
• Batteries are running out.
• The Silent Mode option may be activated.
ACTION TO TAKE
• Reinstall the batteries, observing the correct polarity.
• Replace the batteries.
• Press into the hole marked ACL to reset the computer (see
Section 7.1).
• Replace the batteries with fresh alkalines.
• The computer only responds automatically if Auto Answer is
on (see Section 5.1).
•To interrupt the computer, press ENTER.
•Review the rules. Verify the position to make sure it is
correct (see Section 6.1).
•To interrupt the computer, press ENTER.
• Check the display, and press the correct square to complete
the computer’s move.
• Check the position, and make changes (see Section 6.2).
Press CLEAR again to exit Position Mode.
•To clear the board, press ENTER once more; to cancel,
press CLEAR (see Section 6.2).
•Review the rules. Verify the position (see Section 6.1).
•Verify the position (see Section 6.1).
• Replace the batteries with fresh alkalines.
• Press LEVEL to check the level (see Section 3). Change to
another level, if desired.
• Replace the batteries with fresh alkalines.
• Check the option settings (see Section 5.1).
TROUBLESHOOTING GUIDE