GE TruSat Technical Reference Manual page 26

TruSat Technical Reference Manual
Situation
Green LED remains
ON when monitor is
disconnected from
external power.
Display is blank.
Continuous tone may
sound.
Monitor will not power
ON.
Monitor is connected
to external power but
green LED is OFF.
Monitor is connected
to external power but
will not power ON.
3–2
Cause
Display board malfunction.
System board failure.
Software or hardware
malfunction.
Battery is completely depleted.
Battery failure.
Display board failure.
System board failure.
Battery is completely depleted.
NOTE: The battery can become
completely depleted when the
monitor is unused for several
months, especially if stored at
high temperatures.
Battery is disconnected.
Battery failure.
System board failure.
Power cord failure.
Line power is disconnected.
Line power cable is not connected
or is improperly connected.
Power supply failure.
Display board LED malfunction.
System board failure.
Monitor is trying to recharge a
depleted or low battery.
Monitor is trying to recharge a
battery that is faulty.
System board failure.
Action
Replace the Display board.
Replace the System board.
Press the Alarm Silence button once to cancel the
alarm. Power OFF, then ON again.
Charge the battery for up to 30 minutes before
attempting to power ON.
NOTE: After recharging the battery, it may be
necessary to cycle power ON/OFF several times.
Replace the battery pack.
Replace the Display board.
Replace the System board.
Connect the monitor to external power; verify that
the green power light is ON. Charge the battery for
up to 30 minutes before attempting to power ON.
NOTE: After recharging a battery that was
completely depleted, it may be necessary to cycle
power ON/OFF several times.
Connect the battery to the System board.
Check the battery voltage. If it is 3.2 V or less, the
battery has failed; replace the battery.
Replace the System board.
Check the power cord; replace if necessary.
Check the external connections between the power
source, the power supply, and the monitor.
Check the internal connection of the line power
cable to the System board.
Check the internal connection of the line power
cable to the System board.
Check the power supply voltages of the power
supply connector (12 V).
Replace the power supply.
Replace the Display board.
Replace the System board.
Charge the battery for up to 30 minutes before
attempting to power ON.
Replace the battery.
Replace the System board.