User Manual

TROUBLESHOOTING
22
Fault/Display Cause Solutions
No output voltage,
buzzer sounds
continuously
No output voltage
Low input DC voltage Recharge or replace the
battery
Reduce the load power
High input DC voltage
Overload
Do not use it when the
battery is charging. Check
the rated voltage of the
battery and make sure
that it is in the allowable
range of the input voltage
Over temperature
1. The switch is off
2. The battery lead is not
connectedl
1. Turn on the power switch
2. Check the joint and make
sure it’s well connected
Cut off the load and keep
it cool naturally for 10 to
30 minutes. Restart it after
it returns to normal
temperature. The load
power is too large and
reduce the total load power
to the range of rated power.
Avoid blocking the vent and
improve the ventilation
condition. Reduce the
ambient temperature.
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