Mitsubishi FDUA125VNPWVH - Page 71

Error code
Remote control:
LED Green Red
Indoor
Content
E5
Communication error during operation
Keeps ashing 2-time ash
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Has the remote
control LCD returned to
normal state?
Power source reset
YES
NO
●In case that the outdoor unit red LED stays OFF
(Except for FDC100VNP)
Is the
connection of signal
wires at the outdoor unit
side OK?
Is the
connection of signal
wires between indoor-outdoor
units OK?
Has the remote
control LCD returned to
normal state?
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
YES
NO
●In case that the outdoor unit red LED flashes 2-time
Repair signal wires.
Repair signal wires.
To the diagnosis of
“
WAIT
”.
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 unit PCB
'22 • PAC-SM-412
-
70
-