Daikin MCK75JVM-K Service Manual

SiBE81-909 Troubleshooting
Humidifying Air Purifier 59
7.4.3 The odor / dust sensor lamp keeps lighting red.
1
Models Covered
5
Troubleshooting
MCK75JVM-K
Diagnosis Remedy
This is not a failure.
The odor sensor
detects moisture in
the air.
•
Install the unit in
other place.
•
Reset the power
supply.
Replace the dis-
play PCB.
Go to on
P. 6 4 .
This is not a failure.
•
When the room is
too large or open,
the sensor is
always activated
due to insufficient
capacity.
This is not a failure.
Connect the con-
nector.
[S1, CN2]
Replace the har-
ness.
Replace the dust
sensor or the oper-
ation PCB.
Go to on
P. 6 4 .
2
Method of Mal-
function Detection
3
Malfunction Deci-
sion conditions
4
Supposed Causes
•
Wrong diagnosis
(Red lighting of the odor/dust sen-
sor during detecting dust or mois-
ture in the air was decided as
failure.)
•
The sensor is defective.
(The display PCB is defective.)
•
The dust sensor is defective.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
<When the odor sensor is lighting red:>
Check humidity of the
installation environment.
Is the humidity 80%
or lower?
Install the unit in another
room or corridor.
Does the lamp keep
lighting red?
<When the dust sensor is lighting red:>
Clean the air inlet port and the
peripheral area of the dust sensor.
Install the unit in another place.
Is the dust sensor
lamp changed?
Is the connector of
the dust sensor
connected?
Is the harness broken?
Yes
No
No
Yes
No
Yes
No
Yes
Yes
No
Check1
Check1

Daikin MCK75JVM-K Specifications

General

Brand	Daikin
Model	MCK75JVM-K
Category	Air Cleaner
Language	English