Mitsubishi FDT71VH User Manual

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105
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'20 • PAC-SM-351
Error code
Remote control:
LED Green Red
Indoor
Outdoor
Content
E16
Indoor fan motor anomaly
Keeps ashing 1-time ash
Keeps ashing Stays OFF
1. Applicable model
5. Troubleshooting
Diagnosis Countermeasure
NO
YES
YES
Does any
foreign material
intervene in rotational area
of fan propeller?
Is DC280V
detected between ➀-➃ of
fan motor connector
CNM?
Is it normalized?
Is the fuse F1 ot F2 blown?
Does the fan
rotate smoothly when turned
by hand?
YES
NO
NO
NO
YES
（1）
Note (1) ➃ for GND
NO
YES
Power source reset
Remove foreign material.
Replace the fan motor.
Check power voltage.
Replace faulty fan motor
and indoor unit control PCB.
Replace fan motor. (If the
error persists after replacing
the fan motor, replace the
indoor unit control PCB.)
Malfunction by temporary
noise
2. Error detection method
Detected by rotation speed of
indoor fan motor
3 . Condition of error displayed
• When actual rotation speed of
indoor fan motor drops to lower
than 200min
-1
for 30 seconds
continuously, the compressor
and the indoor fan motor stop.
• After 2-seconds, it starts
again automatically, but if this
error occurs 4 times within
60 minutes after the initial
detection.
4. Presumable cause
• Defective indoor unit control
PCB
• Foreign material at rotational
area of fan propeller
• Defective fan motor
• Dust on indoor unit control
PCB
• Blown fuse
• External noise, surge
Note:

Mitsubishi FDT71VH Specifications

General

Brand	Mitsubishi
Model	FDT71VH
Category	Air Conditioner
Language	English