14 TROUBLESHOOTING
PROBLEM
Buzz lasts for 30 s
Buzz appears two
times per second and
lasts for 30 s
Long and short buzz
alternately appears in
one second and lasts
for 30 s
Not working
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POWDPGLMS5
LIKELY CAUSE
Low voltage
protection
Locked-rotor
protection
Temperature
protection
Low battery voltage.
The switch line is not connected
correctly
Battery pack selector switch selection
error when there is only one battery
pack.
Battery pack is not installed in place
correctly.
Not inserted key.
P a g e
Continuous long
beep
Intermittent same
beep
Alternate long and
short beep
| 14
SOLUTION
Charge the battery.
Restart the machine.
Restart the machine
after the temperature
drops.
Charging the battery.
Reconnect the switch
line.
Re selection.
Reinstall the battery
pack.
Insert key.
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