3handling wiring maintenance – Proface APL3000B - Node Box PC User Manual
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3
Handling
Wiring
Maintenance
When using the PS-A with transportation vehicles (trains, cars, and ships), disaster and crime prevention
devices, various types of safety equipment, and medical devices that are not life-support related, use
redundant and/or failsafe system designs to ensure proper reliability and safety.
After the PS-A unit’s backlight burns out the touch panel is still active, unlike the PS-A unit’s “Standby
Mode”. If the operator fails to notice that the backlight is burned out and touches the panel, a potentially
dangerous machine operation error can occur. Therefore, do not create PS-A unit touch panel switches
that may cause injury and/or equipment damage.
If your PS-A unit’s backlight suddenly turns OFF, use the following steps to determine if the backlight is
actually burned out.
1) If the PS-A unit’s “Backlight Control” is not set and the screen has gone blank, your backlight is burned
out.
2) If the PS-A unit’s “Backlight Control” is set to Standby Mode and the screen has gone blank, and touch-
ing the screen or performing another input operation does not cause the display to reappear, your
backlight is burned out.
Do not modify the PS-A unit. Doing so may cause a fire or an electric shock.
Do not operate the PS-A in an environment where flammable gases are present, since it may cause an
explosion.
To prevent an electric shock be sure to disconnect your PS-A unit’s power cord from the power supply
before wiring the PS-A.
Do not use voltage beyond the PS-A unit’s specified range. Doing so may cause a fire or an electric
shock.
Do not connect or disconnect Host and PS-A unit communication cables while the PS-A is turned ON.
The PS-A uses a lithium battery for backing up its internal clock data and the battery may explode if it is
replaced incorrectly. When replacement is required, use a Pro-face-designated replacement product.
SEE