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124
17.4.9 H25 (nanoe-G Air Purifying System Abnormal)
Malfunction Decision Conditions
During standby of cooling and heating operation, nanoe-G breakdown occurs and air conditioner stops operation.
Malfunction Caused
Faulty indoor main PCB.
Faulty indoor nanoe-G power module.
Troubleshooting
When abnormality indication starts again
●
Turn off the power, and reconnect CN-CLN connector
●
Turn on the power, and measure again the DC voltage
between CN-CLN channel 4 & 2
Is the voltage measured at 5Vdc?
●
Defect in indoor unit nanoe-G power module
●
Replace the indoor unit nanoe-G power module
●
Defect in indoor unit main PCB
●
Replace the indoor unit main PCB
Check the indoor unit main PCB CN-CLN terminal 4 & 2 DC
voltage:
●
Turn off the power
●
Disconnect the CN-CLN connector
●
Turn on the power, measure the DC voltage between
CN-CLN terminal 4 & 2
Is the DC voltage measured at 5Vdc?
NO
●
Defect in indoor main PCB
●
Replace the indoor unit main PCB
YES
NO
YES
For safety reason and to prevent component
breakdown, always switch off the power
before remove and connect the component.
nanoe-G power
module
WIRE HOLDER
GE
NE
R
A
T
O
R
CO
M
P
LE
TE
EL
EC
TRO
N
IC
CO
NT
R
O
L
L
E
R
4
4
1
1
W
G
G
BL
HV(-)
W
W
W
W
HV(+)
GND
Содержание CS-RZ25TKR
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Страница 147: ...147 Figure 9 Figure 10...
Страница 151: ...151 Figure 9 Figure 10...
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