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22 | Page
OPERATING INDICATORS
Indicators on the power inverter show the unit’s power status and alarms for conditions that could cause it to
shut down.
Power on – The Voltage Input and Power Output indicators automatically toggle between
input and output values at three-second intervals. The three LEDs indicate the mode the
meter is in and the three digits indicate the voltage or power value.
Current Overload Protection – If the inverter is overloaded, it will shut down to protect
itself. The meter will flash as shown to indicate Overload Protect.
To restore normal operation, disconnect the excessive load and turn the unit Off and On
again using the Power Button.
Short Circuit Protection – If the AC output of the inverter is short-circuited for one second
or more, it will shut down to protect itself. The meter will flash as shown to indicate Short
Circuit Protect and an alarm will sound. To restore normal operation, disconnect the short
circuit and turn the unit Off and On again using the Power Button.
Low Voltage Protection - If the DC input voltage drops below the alarm threshold of 11.3V
the meter will flash as shown to indicate Low Voltage Protection, but the unit will continue
to operate. If the input voltage drops to 10.0V or less, the inverter will shut down to
protect itself, the meter will continue to flash as shown, and an alarm will sound. To
restore normal operation, return the DC input voltage to at least 12V. The inverter will
automatically return to normal operation.
High Voltage Protection - If the DC input voltage rises above 15.0V, the inverter will shut
down to protect itself, the meter will flash as shown to indicate Over Voltage Protection,
and an alarm will sound. To restore normal operation, return the DC input voltage to less
than 15V. The inverter will automatically return to normal operation.
Over Temperature Protection – If the internal inverter temperature rises above the alarm
threshold, the meter will flash as shown, an alarm will sound to indicate Over Temperature
Protect, and the unit will continue to operate. If the internal temperature rises to 40ºC
(104ºF), the inverter will shut down to protect itself, the meter will flash as shown and the
alarm will continue to sound.
GFI Tripped Indicator – if the power inverter detects a ground fault then the AC output is
disabled, an alarm will sound then you will get the following display. To restore to normal
inverter operation, first unplug faulty appliance. Then, manually reset the power inverter
by turning it OFF then ON.
NOTE: Internal inverter temperature can rise due to being operated in a high heat environment or due to the
fan or vents being blocked during operation (even in relatively cool outside air). To restore normal operation,
turn the unit Off and allow it to cool. The inverter will automatically return to normal operation after it has
cooled.
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