Concertmate 1000  (420-4020)      Troubleshooting      Faxback Doc. # 7652

If the keyboard is not working properly, check the batteries, (See "using
Batteries.")  If the keyboard still does not work properly, this
Troubleshooting Chart might help.


         Trouble            Possible Cause           Remedy

No sound, even if keys    1. MAIN VOLUME is   1.  Turn up MAIN VOLUME.
are pressed.                 turned down.                               

                          2. Headphones are   2.  Disconnect headphones.
                             connected.

                          3. Auto power off   3.  Turn power off and then
                             has activated.       on again.

                          4. Power supply     4.  Check power supply.
                             problem.               Are battery symbols 
                                                    (+/-) facing
                                                    correctly?
                                                    Are batteries fresh?
                                                    Is AC adapter
                                                    connected correctly?

No rhythm.                   MAIN or RHYTHM        Turn up volume.
                             VOLUME are turned
                             down.

No accompaniment.            MAIN or ACCOMPANI-    Turn up volume.
                             MENT VOLUME are
                             turned down.

Occasional interference.     Refrigerators, wash-  Use an outlet on a
                             ing machines and      different electrical
                             similar electric      circuit than the
                             appliances are        appliance.
                             interfering.

No sound when connected   1. MAIN VOLUME is        1.  Turn up the volume.
to an external amplifier.    turned down.

                          2. Defective connection  2.  Replace the
                             cord.                     connection cord.

(br/all-9/29/94)