HOTO QWLSD010 Manual De Instrucciones página 15

Troubleshooting
Fault
Screwdriver
Not work
Bit cannot be
installed
Rust on the
surface of bit
Cannot loosen
the screws or
screw loose
Battery won't
charge
Cause
Low battery power
Bit size doesn't match
the size of the bit holder
High moisture in
storage environment
Maximum electric
torque 0.2N·m
The USB cable isn't
plugged in properly or
specified charging
voltage isn't being used
14
Solution
Please charge the
equipment in time.
Use an bit in C4
specifications
Storage it in dry
environment, and
apply anticorrosive oil
on the surface of bit
Manually
tighten/loosen it
(maximum manual
torque: 3N·m)
Check whether the
charging indicator is on,
insert the USB cable,
and use the charging
voltage specified in
product parameters.