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Troubleshooting
Other problems
Problem
Things to check
The battery level is low.
(The battery indicator lamp flashes
Suction power
(approximately once every second).)
becomes weak or
Is the exhaust abnormally hot?
stops while the
Is the battery indicator blinking slowly
vacuum cleaner is
(about once per four seconds)?
running.
When continuously operating on "High" in places of high temperature, such as under direct sunlight or
in cars exposed to the sun, the safeguard might operate and the suction power might become weak to
prevent the vacuum cleaner motor and battery from overheating. Also, the battery indicator blinks slowly.
Is the dust case full of dust and debris? Empty the dust case.
Suction power stops
Is dust and debris stuck in the filters?
while the vacuum
cleaner is running.
(
)
Is dust and debris clogging the vacuum
Filter indicator
cleaner air duct?
is blinking.
The operation sound
Is dust and debris clogging the power head? Remove the dust and debris.
increased.
Did you use the vacuum cleaner to
clean up fine sand or dust and debris?
Is the remaining battery level low?
The vacuum cleaner
[Battery indicator blinks (about once per second)]
does not operate,
Is the cleaner being charged?
or stops while it is
If the vacuum cleaner is used in a cold location (colder than approximately 5˚C) or in a hot location (approximately 35˚C or higher),
running.
it may not operate due to characteristics of the battery. Place the vacuum cleaner at room temperature (15°C to 25°C) [The battery
indicator "blinks slowly" (lights up approximately once every four seconds)] for a short period of time, and then restart operation.
Are you using the vacuum cleaner in a
cold or hot place?
Did you leave the vacuum cleaner unat-
tended for a long period of time without
Operating time is
charging it?
short even after
charging.
Is the battery exhausted?
The exhaust or vacuum cleaner
gets warm (while the vacuum
This is normal. Motor will be cooled via air flow.
cleaner is in operation).
The vacuum cleaner or AC adapter
It gets warm due to the flow of electrical current to the control circuit, which is
gets warm (during charging).
normal.
Is dust and debris stuck in the filters?
The exhaust smells
Are the filters thoroughly dried after
washing with water?
strange.
If the problem persists even after the above measures have been taken, you will need to replace the part that smells.
Please consult an authorized Hitachi service agent.
Are the dust case, inner cylinder filter,
There are abnormal
and clean filter securely attached?
sounds coming from
Is dust and debris clogging the vacuum
around the dust case.
cleaner air duct?
E-26
(continued)
Instructions
Page
P.E-10
Charge the battery.
−
Press the "Power Off" button to stop
operation, wait for the vacuum cleaner to
cool down, and then start operation again.
P.E-25
P.E-16
P.E-17
P.E-18, E-19
Perform maintenance for (wash with water)
P.E-21, E-22
each filter.
Remove the
dust and debris
−
using disposable
Vacuum cleaner
air duct
chopsticks, etc.
Disposable chopsticks
P.E-23
P.E-24
P.E-16 to E-19
Empty the dust case and perform maintenance
for (wash with water) each filter.
P.E-21, E-22
Charge the battery.
P.E-10
−
Disconnect the AC adapter.
−
Leave the vacuum cleaner in an area where the ambient temperature
−
is between 15˚C and 25˚C for a while, and then restart operation.
The battery capacity might be temporarily
recovering poorly. Repeat the procedure of
P.E-11
using the cleaner until the battery is exhaust-
ed and charging fully about 2 to 3 times.
If the vacuum cleaner stops running after a
short time even though it is fully charged and
P.E-16 to E-19
the filters are clean (wash with water), you
P.E-21, E-22
might need to replace the battery. Please con-
sult with a Hitachi authorized service agent.
−
−
Perform maintenance for (wash with
water) each filter.
P.E-21
P.E-22
After washing the filters with water, air
dry them thoroughly in the shade.
−
P.E-18 to E-20
Securely attach them.
Remove the dust and debris using dis-
−
posable chopsticks, etc.
Problem
Things to check
Dust in the dust case
Dust and debris might not rotate depending on the type of dust and debris and
does not rotate and
how it accumulates, which is normal.
accumulates unevenly.
Dust and debris spills out of
Has the dust and debris in the dust
the vacuum cleaner when
case exceeded the dust and debris Max
line?
the dust case is removed.
Dust and debris
Has the dust and debris in the dust case
exceeded the dust and debris Max line?
spills out when
attachments are
If operation is stopped while the vacuum cleaner is running facing upwards, dust and debris might
removed.
remain in the vacuum cleaner air duct. Stop operation while the vacuum cleaner is facing downwards.
Is the remaining battery level low?
[Battery indicator blinks (about once per second)]
Is the power head securely attached?
The rotary brush
Is the power head not touching the
floor?
of the power head
stops or rotates
Is dust and debris stuck to the rotary
poorly.
brush, safety switch, etc.?
Is there foreign matter stuck in it?
Is it firmly pressed against the floor or
carpet?
The rotary brush of the
power head stops, or
The rotary brush may stop automatically
the LED lights turn off.
to prevent the power head motor from
(
)
The filter indicator
overheating.
"blinks".
The rotary brush of the
The safeguard is operating.
power head does not rotate.
Wait a while before restarting.
The LED light is dim.
Is the remaining battery level low?
There is a clattering sound
The safety switch is designed to produce the sound. This does not indicate a
coming from the power head.
problem with the vacuum cleaner.
You may hear a ticking sound
This sound occurs due to the structure of the power head.
when the direction of the
This is normal.
power head changes.
Is the AC adapter firmly plugged into
the outlet?
Is the connector of the AC adapter firm-
ly inserted into the vacuum cleaner?
The battery indicator
Is the battery fully charged?
lamp does not turn
on when the vacuum
cleaner is charged
Are the terminals on the AC adapter or
vacuum cleaner dirty?
Has the vacuum cleaner not been in use for a long time? If it has not been charged for a
long time, the battery might need to be replaced as its performance and battery life might
already have deteriorated. Please consult with a Hitachi authorized service agent.
Instructions
Page
−
P.E-16
Dispose of the dust and debris before it
reaches the dust and debris Max line.
P.E-17
P.E-16
Dispose of the dust and debris before it
reaches the dust and debris Max line.
P.E-17
−
P.E-10
Charge the battery.
P.E-2
Securely attach it.
The vacuum cleaner is designed to stop
P.E-14
operating when lifted from the floor.
Place the power head on the floor.
P.E-23
Remove the dust and debris.
P.E-24
The safeguard is operating.
Remove the foreign matter, and wait a
while before restarting.
P.E-25
The safeguard is operating. Wait a while
before restarting.
Empty the dust case and clean the
P.E-16 to E-19
filters (wash with water). Remove any
P.E-21, P.E-22
objects blocking the inlet.
P.E-25
Charge the battery.
P.E-10
−
−
Firmly plug in the adapter.
P.E-10
Firmly insert the connector.
When fully charged, the battery indica-
tor turns off.
Unplug the AC adapter and remove the
dust and debris on the terminals with a
P.E-20
dry cloth.
−
E-27
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