'17 • KX-T-264
Error code
Remote control:
LED Green Red
Indoor
Outdoor
Content
None
Power source system anomaly
(Power source to indoor unit PCB)
Stays OFF Stays OFF
Stays OFF
2-time ash
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
Is
AC 220-240V
detected between L-N on
the indoor terminal
block?
Note (2) LM: Louver motor
FM: Fan motor
IsAC
380/415 V for 3-phase
unit detected between L1, L2, and L3 on
the outdoor terminal block
respectively.
Is DC8V detected
between CNP
①-③?
Is JX1 open?
None of
actuator, etc. is
short-circuited?
Are fuses OK?
Is resistance
between
①-③ of CNW0
OK?
Is DC280V
detected between
CNM
①-③?
Is resistance
to FM, LM and etc.
OK?
Note (1)
Check the fuse at the power source side.
(1)
(2)
Outdoor noise lter 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 unit power PCB
anomaly
Replace it.
Replace related parts.
Defective indoor unit
control PCB
Replace.
Open JX1
Defective indoor unit
control PCB → Replace.
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 unit control PCB
anomaly
Note:
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81
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