-
140
-
'17 • PAC-T-256
Error code
Remote control:
LED
Green
Red
Indoor
Outdoor
–
2-time flash
Stays OFF
Keeps flashing
Content
WAIT
Communication error at
initial operation (3/3)
(Models SRC40-60)
1. Applicable model
5. Troubleshooting
All models
When the remote control
display is extinguished after the
power on.
Diagnosis
Countermeasure
YES
NO
Remote control display is
extinguished after the power on.
NO
NO
NO
NO
YES
Is the
green LED on the indoor unit
flashing?
Is the
fuse on the indoor unit power
PCB OK?
Is
approx. 10-11V detected
between wires at the remote control
side after disconnecting the
remote control?
Is the
red LED in the outdoor unit flashing
twice?
Are wires
connected properly between the indoor and
the outdoor units?
Is approx.
DC20V detected between -
➂
on the outdoor unit terminal
block?
NO
Is approx
DC20V detected between
➁
-
➂
on the indoor unit terminal
block?
NO
NO
2/N
YES
YES
YES
YES
YES
Replace fuse.
Short-circuit on remote
control wire
Defective remote control
Defective indoor unit
control PCB
➞
Replace.
Defective remote control
Broken remote control
wire X or Y
Correct wires.
Defective outdoor unit sub
PCB
➞
Replace.
Defective connection wire
(Broken wire)
Noise
Defective indoor unit
power PCB
➞
Replace.
2. Error detection method
3. Condition of error displayed
4. Presumable cause
• Blown fuse
• Connection between PCB’s
• Blown fuse
• Faulty indoor unit power PCB
• Defective remote control
• Wire breakage on remote
control
• Faulty outdoor unit sub PCB
Note: