OPERATION
Harmony Ball Return Manual – 400-254-022 31 Rev. Date 3/16
8.0 OPERATION
The ball lift starts when either of the two associated pinspotters are powered on, and will
continue to run for 30 seconds after both pinspotter back-end motors stop, allowing any
bowling balls in transit to pass through the lift and return to the ball rack.
8.1 OPERATIONAL SAFETY
Keep hands away from the exit opening.
KEEP HANDS CLEAR OF THE BALL RACK UNTIL THE RETURNING BALL COMES TO REST. Do not reach
into the lane side trap door area while either pinspotter is powered on.
There is a pinch hazard between the hood and the bezel! Ensure no fingertips can get in between
the hood and bezel when secured and that all fingertips are free and clear when securing the hood.
CAUTION! Do not allow more than 12 balls on the Harmony Ball Rack. Over-filling the rack can cause the
ball return to stop and/or a dangerous condition for players. DO NOT OVER-FILL THE RACK!
IN ADVANCED MODE:
The Hand Intrusion sensor is active. A hand or any object that is inserted from the rack into the
return tunnel will stop the ball return until the object is removed. If the rack is full and a 13
th
ball is delivered to the rack, it will remain in the tunnel and block the Hand Intrusion sensor.
The result is temporary loss of function until the tunnel is cleared.
If the tunnel is blocked for an extended period of time, the ball return may go into
error mode and have to be reset. Underground balls may have to be retrieved.
NOTE: ONLY ADVANCED MODE will prevent ball return operation when the tunnel is
blocked and minimize the risk of injury or equipment damage.
IN POWER SAVE MODE or CONTINUOUS MODE:
The Hand Intrusion sensor is disabled. If the rack is full and a ball is in the tunnel, an additional
ball delivered to the rack will force one of the balls off the rack and onto the floor.
POTENTIALLY DANGEROUS CONDITION. Ejected ball may fall onto a player’s foot.
The ejected ball may cause damage to the floor, ball, or other equipment.
NOTE: Operating the Harmony Ball Return in POWER SAVE or CONTINUOUS MODE still
has safety advantages of low, controlled speed and guarded moving parts, but, as with
other ball returns, will not prevent balls from being ejected if the rack is too full.
8.2 BALL LIFT CONTROLS
The ball lift’s operating modes can be changed using the MODE SELECT button. The STATUS
LED will indicate the current mode:
ADVANCED
The lift motor runs for 12 seconds when a ball enters the lift.
Intrusion detection is enabled.
Blower is enabled.
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