Daikin MC707VM-W User Manual

Troubleshooting SiBE81-623A
32 Photocatalytic Air Purifiers
6.2.3 Sensor LED remains lit.
1 Models Covered 5 Troubleshooting
MC707VM-S
MC707VM-W
Diagnosis Remedy
It is not
malfunction.
The sensor is
detecting dust in
the air.
• Clean around the
sensor.
• Change the
installation
location.
Replace the display
PCB.
(Preferably replace
the sensor too.)
It is not malfunc-
tion. The sensor is
detecting moisture
in the air.
• Change the
installation
location.
• Reset the power.
Replace display PCB
(Preferably replace
the sensor too.)
It is not malfunc-
tion.
• The sensor may
be operating as
room is over-
sized or open.
2 Method of Mal-
function Detection
3 Malfunction Deci-
sion conditions
4 Supposed Causes
• Wrong diagnosis
(The red LED stays on while the
dust sensor or odor sensor is
sensing dust and moisture in the
air. Such LED light-up has been
wrongly judged as an error.)
• Sensor failure
(The display PCB is in trouble.)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Does LED light out for
about 5 seconds?
Put the plug in a socket while
pressing the ON/OFF switch.
Yes
Check ambient humidity.
80%RH or less?
No
Yes
Wait a while, then check again.
Does LED remain lit?
Yes
No
No
<Odor sensor LED>
<Dust sensor unit LED>

Daikin MC707VM-W Specifications

General

Brand	Daikin
Model	MC707VM-W
Category	Air Cleaner
Language	English