Shut-down due to reversal of polarity at the DC input terminals.
The positive of the battery should be connected to the positive DC input terminal of the
inverter, (the tip of the cigarette lighter plug), and the negative of the battery should be
connected to the negative DC input terminal of the inverter (The spring loaded bow type
contacts of the cigarette lighter plug). A reversal of polarity (the positive of the battery
wrongly connected
to the negative DC input terminal of the inverter and the negative
of the battery
wrongly connected
to the positive DC input terminal of the inverter) will
blow the DC side fuses inside the inverter. If the DC side fuse is blown, the inverter will
be dead. The LED (2) will be switched off and there will be no AC output. The internal
fuse should be replaced with the correct size of fuse shown under specifications. If the
unit does not work after replacing the fuse, it has been permanently damaged.
Shut-down due to over-temperature.
In case of failure of the cooling fan or in the case
of inadequate heat removal due to higher ambient temperatures / insufficient air exchange,
the temperature inside the unit will increase. The temperature of a critical hot spot inside
the inverter is monitored and at 95° C, the AC output of the inverter is shut down
temporarily. The LED (2) turns orange and a buzzer is sounded. The unit will automatically
reset after the hot spot has cooled down to 70° C.
Shut down due to overload.
The inverter can provide a higher than normal instantaneous
(< 1 second) power limited to the surge power rating of the inverter. Also, the inverter
can provide continuous power limited to the continuous power rating of the inverter.
If there is an overload beyond the
specified limits, the AC output of the unit will be shut down permanently. LED (2) will turn
orange and buzzer alarm will be sounded. The unit will be required to be reset manually
by switching the unit off and on again. Before switching on the unit, please remove the
cause of the overload.
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