10
Fault Code
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Blinking times of
battery pack indicator
Failures
Common malfunctions
Fault code table
1
2
3
4
5
6
7
9
The air duct has been blocked
Battery pack no-load protection
has been triggered
Adapter voltage is too high/cur-
rent is too high
The battery pack is too low and
has been triggered
Battery pack over-temperature
protection has been triggered
Ground brush stall protection has
been triggered
Short circuit (overcurrent)
protection has been triggered
Dust induction infrared probe
needs to be cleaned in time
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