Mitsubishi Heavy Industries FDT45KXE6 User Manual

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329
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Error code
Remote controller:
7-segment display:
LED Green Red
Indoor
Outdoor
Content
[No display]
[No display]
Keeps flashing Stays Off
Keeps flashing Stays Off
1. Applicable model
5. Troubleshooting
Diagnosis Countermeasure
Disconnect the wires
of remote controller
No display on the
remote controller
NO
NO
NO
YES
NO
NO
YES
YES
YES
YES
Does
Voltage become more
than 15V?
FDT
Is the
volatage<15V
between the terminals X-Y
of remote
controller?
Is the
vo
ltage between
- CNW2
DC18V?
Is the
vo
ltage>AC20V
between brown-brown
terminals of
transformer?
Is the
power supply
vo
ltage OK?
NO
YES
Is the
wiring of remote
controoler within the range
of specification?
Replace remote controller
Replace power PCB
Replace control PCB
Check power supply
Replace transformer
Replace control PCB
Correct wiring
Replace remote controller
2. Error detection method
3 . Condition of error displayed
4. Presumable cause
Note:

Mitsubishi Heavy Industries FDT45KXE6 Specifications

General

Brand	Mitsubishi Heavy Industries
Model	FDT45KXE6
Category	Air Conditioner
Language	English