Specifications

SiBE81-909 Troubleshooting
Humidifying Air Purifier 63
7.4.7 The power supply PCB or the operation PCB is at fault.
1
Models Covered
5
Troubleshooting
MCK75JVM-K
Diagnosis Remedy
Replace the power
supply PCB.
Go to on
P. 6 4 .
Replace the opera-
tion PCB.
Go to on
P. 6 4 .
2
Method of Mal-
function Detection
Abnormality of the zero cross from
the power supply is detected.
3
Malfunction Deci-
sion conditions
When the zero cross cannot contin-
uously be detected for about 10 sec-
onds
4
Supposed Causes
•
The connector is improperly con-
nected.
•
The power supply PCB is defec-
tive.
•
The operation PCB is defective.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
The 3 OFF timer lamps
simultaneously blink.
Check the connector
for connection (S108).
Correct the connection.
OK
Do the lamps above
blink again?
Ye s
Is the connector
properly connected?
Ye s
No
No
Check1
Check1