Set the GI power saver to protect the GI connectors

In the Standard Adjustments menu (A.1), set GI Power Saver time to its minimum (2 minutes) and level to its lowest (4). The GI then dims in attract mode and returns to full brightness when a game starts, which reduces heat in the GI connectors.

Systems

• WPC Alpha-Numeric
• WPC Dot Matrix
• WPC Fliptronics
• WPC DCS
• WPC-Security (WPC-S)
• WPC-95

Related tips

• Where GI power flows on the driver board
• All backbox lights out with good fuses: burned J120 GI connector
• Two GI strings still dead after fixing a burnt J120: broken pads and traces

Source: Repairing Williams/Bally WPC Pinball Games from 1990 to 1999, Part One, Clay Harrell (pinrepair.com)