Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 344

Error code
Remote controller: E16
7-segment display:
1. Applicable model
FDK type
2. Error detection method
Detected by revolution speed of
indoor fan motor
3. Condition of error displayed
When actual revolution speed of
indoor fan motor drops to lower
than 200rpm for 30 minutes
continuously, the compressor
and the indoor fan motor stop.
After 2-seconds delay, it starts
again automatically, but if this
anomaly occurs 4 times within
60 minutes after the initial
detection.
4. Presumable cause
• Defective indoor power PCB
• Foreign material at rotational
area of fan impeller
• Defective fan motor
• Dust on control PCB
• Blown fuse
• External noise, surge
Note:
LED Green Red
Keeps flashing 1 time flash
Indoor
Keeps flashing Stays Off
Outdoor
5. Troubleshooting
Diagnosis
Does any
foreign material intervene
in rotational area of fan
impeller?
NO
Does the fan
rotate smoothly by turning
with hand?
YES
Is DC280V
detected between �-� of fan motor
connector CNM?
YES
Reset the power supply.
Is it normalized?
340
–
Content
Indoor fan motor anomaly
(In case of FDK)
YES
NO
Note (1) � for GND
(1)
NO
NO
YES
–
Countermeasure
Remove foreign material.
Replace fan motor.
Replace faulty fan motor
and power PCB.
Replace fan motor. (If the
error persists after replacing
the fan motor, replace
indoor control PCB.)
Malfunction by temporary
noise