Mitsubishi Heavy Industries FDT71VNXWVH User Manual

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94
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'19 • PAC-SM-332
Error code
Remote control:
LED Green Red
Indoor
Outdoor
Content
E14
Communication error
between master and slave indoor units
Keeps ashing 3-time ash
Keeps ashing Stays Off
1. Applicable model
5. Troubleshooting
Diagnosis Countermeasure
Is it
OK the unit
address setting for master
and slave indoor
units?
NO
YES
Is
the remote
control wiring between
indoor units
defective?
Is it
restored by resetting the
power source?
Note (1) Set DIP switches SW5-1 and SW5-2 as shown in the following table.
(Factory default setting – “Master”)
Master Slave-a Slave-b
SW5-1 OFF OFF ON
SW5-2 OFF ON OFF
DIP
switch
Indoor unit
YES
NO
NO
YES
Correct unit address setting.
Correct wiring.
Defective indoor unit
control PCB
Replace.
• Malfunction by noise
• Check surrounding
environment.
2. Error detection method
When communication error
between master and slave
indoor units occurs
3 . Condition of error displayed
Same as above
4. Presumable cause
• Unit address setting error
• Broken remote control wire
• Defective remote control wire
connection
• Defective indoor unit control
PCB
Note:

Mitsubishi Heavy Industries FDT71VNXWVH Specifications

General

Brand	Mitsubishi Heavy Industries
Model	FDT71VNXWVH
Category	Air Conditioner
Language	English