154
18.4.16 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.
For safety reason and to prevent component
breakdown, always switch off the power
before remove and connect the component.
Connector poor contact.
Correct the connection.
NO
Defect in indoor PCB.
Replace the indoor PCB.
NO
Defect in HVU PCB.
Replace the HVU PCB.
Defect in nanoe Generator.
Replace the nanoe Generator.
NO
YES
YES
Check the connector connection:
Turn off the power.
Is the connector connection normal?
Check the connector connection.
Operate the nanoe function.
Check indoor PCB CN-NANO:
Pin 1 and Pin 4 = 13.8V
YES
Operate the nanoe function.
Check indoor PCB CN-NANO:
Pin 3 and Pin 4 = 5V
CN-NANO
(YLW)
CN1
(WHT)
CN2
(WHT)
HIGH VOLTAGE
POWER SUPPLY
NANOE ION GENERATOR
1
1
2
1
5
4
G7
BL
W
W
W
BL
B
P
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