–
80
–
Error code
Remote control:
LED
Green
Red
Indoor
Outdoor
Content
'14 • KX-T-222
None
Power source system anomaly
(Power source to indoor unit PCB)
Stays OFF Stays OFF
Stays OFF
2-time flash
1. Applicable model
5. Troubleshooting
All models
Diagnosis
Countermeasure
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
YES
YES
Is
AC 220-240V/220V
detected between L-N on
the indoor terminal
block?
Note (2)
Disconnect CNW1 on
models equipped with
transformer.
Note (3) LM: Louver motor
FM: Fan motor
Note (4)
⑤
for GND
Is
AC
380/415 V for 3-phase
unit detected between L1, L2, and L3 on
the outdoor terminal block
respectively.
Are fuses OK?
Is power
source between
①
-
③
of
CNW0 OK?
Is
DC5V detected
between
④
-
⑤
of
CNW2?
Is power
source to FM, LM and etc.
OK?
Note (1)
Check the fuse at the power source side.
(1)
(2)
(3)
(4)
Model equipped with
transformer (Tr
㧵
)
Models other than
shown at left
Is DC18V or higher
detected between Red-
Red (CNW2) at the
transformer secondary
side?
Outdoor Noise filter PCB
anomaly
Replace it.
Wrong wiring or broken
wires between outdoor and
indoor units.
Indoor power PCB
anomaly
Replace it.
Replace FM, LM and etc.
Replace fuse.
Indoor power PCB anomaly
Replace it.
Indoor control PCB
anomaly
Replace it.
Replace transformer.
Indoor control PCB
anomaly
Replace it.
2. Error detection method
3. Condition of error displayed
4. Presumable cause
• Wrong connection or breakage
of connecting wires
• Blown fuse
• Transformer anomaly
• Indoor power PCB anomaly
• Broken harness
• Indoor control PCB anomaly
Note: