-
101
-
NO
NO
Abnormal data check
with remote controller
After check reset,
fan runs on Me.
Check the
circumstances.
Was it reproduced?
Fan ON?
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
When the
motor is turning, does
the voltage at CNM2 2 (Brown)
fluctuate between
DC 0 ~ 15 V?
Secondary
side of transformer
(red-red) 14V
or more
Does the
fan motor turn
smoothly by
hand?
Is the voltage
at CNM2 3 (Black) DC 1V
or higher?
CNM1
1 and 3 (Red – White)
DC320V?
CNM2 4 (Blue)
– CNM1 3 (White)
DC15V?
Replacement indoor
unit control PCB
Replacement indoor
unit control PCB
Detective fan motor
Replacement indoor
unit control PCB
Replacement transformer
3 (White) is GND.
(1)
(2)
3 (White) is GND.
Note (2) CNM1 3 (White) is GND.
Note (1) CNM1 3 (White) is GND.
10
Error display :
e16
Indoor unit
Red LED
Green LED
Stays OFF
Keeps flashing
Red LED
Green LED
Stays OFF
Keeps flashing
Outdoor unit
S
Only case of FDTC
●
Display conditions
If an indoor unit fan motor’s speed is detected to be less than
200 rpm continuously for 30 seconds, the fan motor stops for 2
seconds. After 2 seconds, it starts again, but this occurs 4 times
within a period of 1 hour.
[Fan motor abnormalities]
