-
256
-
NO
NO
Check the operation data
by the remote controller.
Reset the error code and operate the
fan in fan mode with Lo fan speed.
Check the
circumstances.
Is the error
reproduced?
Does the fan
operate?
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
DC 15V
between CnW9-
and
CnM2
?
Secondary
side of transformer
(brown-brown) 17V
or more.
Does the
fan motor turn
smoothly by
hand?
Is the voltage
at CnM2
DC 1V
or higher?
CnM1
and
(Red – White)
DC280V?
CnW9
and
DC15V?
Replace the indoor unit
power supply PCB.
Replace the indoor
unit control PCB.
Replace the indoor unit
control PCB.
Replace the fan motor.
Replace the indoor
unit control PCB.
Replace the transformer.
Note (1) CNW9-
is GND.
White is GND.
3 is GND.
(1)
(2)
Note (2) CNW9-
is GND.
When the motor is
running, is the voltage between
blue wire on CnM2 2 and white wire on
CnM1 3 fluctuating between
0 to 15V?
10
Error display :
E16
Indoor unit
Red LED
Green LED
3 time flash
Keeps flashing
Red LED
Green LED
Stays OFF
Keeps flashing
Outdoor unit
Only case of FDTA501, 601 types
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]
