Mitsubishi Heavy Industries FDT45KXE6 User Manual

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326
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Error code
Remote controller:
7-segment display:
LED Green Red
Indoor
Outdoor
Content
WAIT
M
WAIT
Master unit
Keeps flashing Stays Off
Keeps flashing Stays Off
1. Applicable model
5. Troubleshooting
Diagnosis Countermeasure
NO
NO
NO
Green LED on Indoor control
PCB keeps lighting
Reset the power
YES
YES
YES
NO
Are the
signal wires
between indoor and outdoor
units short
circuited?
Is there
any poor connetion of
signal wires at the
terminal ?
Are
more than 129
indoor units connected in one
superlink signal
line?
Is it recovered?
YES
Crrect the signal wires
Tighten the connection
securely
Correct the number of
indoor units connected to
less than 128
Replace indoor PCB
(Repace indoor control
PCB for FDT)
Wait and See (Normal)
2. Error detection method
3 . Condition of error displayed
4. Presumable cause
• Faulty wiring of superlink
signal wires
• Faulty indoor PCB
Note:

Mitsubishi Heavy Industries FDT45KXE6 Specifications

General

Brand	Mitsubishi Heavy Industries
Model	FDT45KXE6
Category	Air Conditioner
Language	English