-
248
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'16 • SCM-T-199
E5
Communication error during operation
Keeps ashing
2
-
time ash
Outdoor
–
6
-
time ash
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Has the remote
control LCD returned to
normal state?
YES
NO
Is the
connection of signal
wires at the outdoor unit
side OK?
Is the
connection of signal
wires between indoor-outdoor
units OK?
Note (1) Inspect faulty connections (disconnection,
looseness) on the outdoor unit terminal block.
Power source reset
Note (2) Check for faulty connection or breakage of
signal wires between indoor-outdoor units.
YES
NO
YES
NO
Repair signal wires.
Repair signal wires.
Defective outdoor sub
PCB (Defective network
communication circuit)
→
Replace.
Unit is normal.
(Malfunction by temporary
noise, etc.)
2. Error detection method
When normal communication
between indoor and outdoor
unit is interrupted for more than
2 minutes.
3 .
Condition of error displayed
Same as above is detected
during operation.
4. Presumable cause
• Unit No. setting error
• Broken remote control wire
• Faulty remote control wire
connection
• Faulty outdoor sub PCB
Note:
Error code
Remote control:
LED Green Red
Indoor
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