Mitsubishi FDK15KXZE1 Technical Manual page 90

Error code
Remote control: [No display]
1. Applicable model
All models
(No display on the remote
control after power ON.)
2. Error detection method
3. Condition of error displayed
4. Presumable cause
• Fuse blown
• Noise filter anomaly
• Anomalous connection of
wire between PCBs
• Indoor unit control PCB
anomaly
• Remote control anomaly
• Breakage of connecting wires
of remote control
• Outdoor unit control PCB
anomaly
Note:
LED Green Red
Stays OFF Stays OFF
Indoor
Stays OFF Stays OFF
Outdoor
5. Troubleshooting
Diagnosis
No display on the remote
control after power ON.
Is DC10V
or higher between X-Y
detected at remote
control terminal?
YES
Is DC10V
or higher between X-Y
wires detected when
removing remote
control?
YES
Are
connecting wires between
indoor and outdoor units
connected properly?
YES
89
–
Content
[No display]
NO
NO
NO
–
'17 • KX-T-264
Countermeasure
Remote control anomaly.
Remote control anomaly.
Correct connecting wire.
Indoor unit control PCB
anomaly.