PONG 4P D&B Manual
11/18/2019
Please confirm that all connectors are secured, all connectors are one way and keyed. If
the connectors don’t slip in easily upon mating, please don’t force them.
Frame assembly
connector is loose.
Circuit protector changes
power SW to “off”.
Turn on power SW again. If appeared
repeatedly, machine has anomaly.
Please contact UNIS Service.
Loose audio connector or
faulty cable
Reconnect the audio cable or replace it.
Restart the audio driver.
The bottom of the Ball or
the Playfield has dirt.
Utilize non-woven fabric with Glassy
water to clean the bottom of the Ball.
Not enough suction of
magnets
Check whether the playfield is fully
positioned.
Clean the playfield, paddle and ball.
Adjust the rail magnet height upward.
Paddle and ball
crash to offset
Adjust the rail magnet height
downward.
Platform obviously
unbalanced during
moving
No light of cup
holder LED ring
LED ring board of cup
holder abnormal
Check if the wire is loose.
Replace the LED ring board.
Playfield display
abnormal
Replace the digital board.
Movement
mechanism has
obvious noise
Belt or belt wheels
abnormal
Check and adjust the belt tension
strength.
Adjust belt wheel position or replace
belt wheel.