Panasonic CS-XZ20XKEW-H Service Manual page 128

18.4.17 H67 (nanoe abnormality)
Malfunction Decision Conditions

nanoe stop for 5 minutes for 3 times.
Malfunction Caused

Faulty connector connection.

Faulty indoor unit PCB.

Faulty nanoe generator.
Troubleshooting
When abnormality indication starts again.
Check the connector connection:
Turn off the power.
Check the connector connection.
Is the connector connection normal?
Operate the nanoe function.
Check indoor PCB CN-NANO:
Pin 1 and Pin 4 = 13.8V
Operate the nanoe function.
Check indoor PCB CN-NANO:
Pin 3 and Pin 4 = 5V
CN-NANO
(YLW)
5
1
BL
CN1
W
(WHT)
B
P
1
4
G7
YES
YES
YES
1
W
CN2
HIGH VOLTAGE
BL
(WHT)
POWER SUPPLY NANOE ION GENERATOR
2
W
For safety reason and to prevent
component breakdown, always
switch off the power before remove
and connect the component.
Connector poor contact.
NO
Correct the connection.
Defect in indoor PCB.
NO
Replace the indoor PCB.
Defect in HVU PCB.
NO
Replace the HVU PCB.
Defect in nanoe Generator.
Replace the nanoe Generator.
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