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Copyright by GE Sensing & Inspection Technologies 50 Industrial Park Road Lewistown, PA 17044
3-8
04/03/2014
Mentor EM Portable Equipment
User's Manual
Interpreting the LED
Indicator Light
1
– This LED light changes color and/or flashes to
indicate instrument status, gate-triggered alarms,
or other conditions.
During Normal Operation:
Red LED – Gate Alarm
Green LED – normal run, no external power
Cyan LED – normal run, with external power
Blinking Magenta LED – Microcontroller is currently
being updated or microcontroller firmware is
damaged and needs to be updated
When the Instrument is Powered Off:
No LED – Instrument is off and the external charger
is not connected
Blinking Blue LED – battery is being charged
Steady Blue LED – batter is fully charged and the
charger is connected
While the Instrument is Powering On:
Blinking Yellow LED – Instrument is powering up,
FPGA is being configured (Operator can release
power button)
Blinking Magenta LED - Instrument is powering up,
but there’s an internal power supply failure