18
12 Symbol explanation
Indicates for
service warning,
See 10
Trouble-
shooting
Signal lit
Signal flashing
Explanation of the indication lights at the LCD handle
Indicates for
blocked airflow,
See 10
Trouble-
shooting
Dust bag or
filter is clogged.
Change dust
bag and clean
filter.
Bag/filter
Air flow
Service
Bars show
the actual
speed level
Speed level
Hose handle is
out of range. No
connection to
the cleaner.
Thermal cut-out
has tripped and
the cleaner has
stopped. See 10
Troubleshooting
Signal
Overheating
Explanation of indication lights at the display for CVR 4000
Bars show
the actual
speed level
Battery is
under 5%.
Change
battery
Indicates for
service warning,
See 10
Trouble-
shooting
Signal lit
Signal flashing
Dust bag or
filter is clogged.
Change dust
bag and clean
filter.
Bag/filter
Service
Battery
Speed level
Hose handle is
out of range. No
connection to
the cleaner.
Thermal cut-out
has tripped and
the cleaner has
stopped. See 10
Troubleshooting
Signal
Overheating