Daikin MC704AVM [28/44] Malfunction deci sion conditions

Daikin MC704VM [28/44] Malfunction deci sion conditions
EDBE81-327 Troubleshooting
Photocatalytic Air Purifiers 27
1 Models Covered 5 Troubleshooting
*Be sure to insert/pull out the connector after
turning off the power. It may cause malfunction.
MC704VM
Diagnosis Remedy
Replace display
PCB.
Replace dust
sensor unit
It is not malfunc-
tion. The sensor is
detecting moisture
in the air.
Change the
installation
location.
Reset the power.
Replace display PCB
(Sensor is defective).
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
Display PCB is defective.
Dust sensor unit is defective.
3. Sensor LED Remains Lit

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