HELPFUL TIPS
POSSIBLE CAUSE
The POWER is off
No input voltage
The DC fuse has broken
AC circuit breaker has tripped
LCD display screen shows
OVP fault code
LCD display screen shows
UVP fault code
LCD display screen shows
OTP fault code
LCD display screen shows
OLP fault code
LCD dispaly screen shows
SCP fault code
Internal temperature has not
reached the fan's start value
Fan is damaged
SOLUTION
Turn on by pressing the POWER button
Check whether the DC connection of Handy
Power X is loose or damaged
Check that the user has installed and
complies with standard fuses
Please check and replace the internal fuse by
qualified maintenance technician
Disconnect all appliances to reduce the overload, then
turn it off to reset the device and back to on again.
Overvoltage Protection started,
Check the battery voltage whether within the working
voltage range, and the output can be restored
Low-voltage Protection started,
Check the battery voltage whether within the working
voltage range, and the output can be restored
Overtemperature Protection started,
Check whether the fan turns, and the output can be
resumed after the temperature drops
Overload Protection started,
Check whether the load exceeds the rated power, and
the output can be resumed after reducing the power
Output Short Circuit Protection started,
Check whether there is short circuit in the load, and the
output can be resumed after the short circuit is removed
No action. The fan will turns on automatically when the
internal temperature reachs the fan's start value
Please check and replace the internal fan by qualified
maintenance technician
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