-
140
-
8
Error display :
e10
[Control of 1 remote controller VS multiple units
Excessive number of units (more than 17 units) ]
Indoor unit
Red LED
Green LED
Stays OFF
Keeps flashing
Red LED
Green LED
Stays OFF
Keeps flashing
Outdoor unit
Are more
than 17 units connected
to a remote
controller?
Reduce to 16 units
or less
YES
NO
Defective indoor unit control PCB
Replacement
NO
NO
Abnormal data check
with remote controller
After check reset,
fan runs on weak.
Check the
circumstances.
Was it reproduced?
Fan ON?
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES YES
YES
DC 15V
between CNW9 3 and
CNM2 4 ?
When the
motor is turning, does
the voltage at CNM2 2
fluctuate between
0 ~ 15 V?
Secondary
side of transformer
(red-red) 15V
or more
Does the
fan motor turn
smoothly by
hand?
Is the voltage
at CNM2 3 DC 1V
or higher?
CNM1
1 and 3 (Red – White)
DC280V?
CNW9
1 and 3
DC15V?
Replacement indoor
unit power supply PCB
Replacement indoor
unit control PCB
Replacement indoor
unit control PCB
Detective fan motor
Replacement indoor
unit control PCB
Replacement transformer
Note (1) White is GND.
Note (2) CNW9 3 is GND.
(2)
(2)
(1)
(2)
9
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 FDTA501 type
● 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]
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