Specifications

SiBE81-909 Troubleshooting
Humidifying Air Purifier 61
7.4.5 The odor / dust / humidity sensor lamp does not light.
1
Models Covered
5
Troubleshooting
MCK75JVM-K
Diagnosis Remedy
This is not a failure.
Connect the flat
cable.
[S129, S400]
Replace the dis-
play PCB or the
operation PCB.
Go to on
P. 6 4 .
2
Method of Mal-
function Detection
3
Malfunction Deci-
sion conditions
4
Supposed Causes
•
The flat cable is improperly con-
nected.
•
The display PCB is defective.
•
The operation PCB is defective.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is the flat cable
linking the display PCB
and the operation PCB
connected?
If the brightness
adjustment button is pressed,
is the lamp turned
on?
No
Ye s
No
Ye s
Check1