Mitsubishi Heavy Industries FDT28KXE6A Service Manual page 101

Error code
E61
Remote controller:
E61
7-segment display:
1. Applicable model
Outdoor unit
2. Error detection method
When the communication
between master unit and slave
units is not established.
3. Condition of error displayed
Same as above
4. Presumable cause
• Signal wire anomaly
• Outdoor control PCB
anomaly
• Inverter PCB (INV1, 2)
anomaly
• Rush current prevention
resistor anomaly
Note:
LED Green Red
Keeps flashing Stays Off
Indoor
Keeps flashing 1 time flash
Outdoor
5. Troubleshooting
Diagnosis
Is the
address setting of master
and slave outdoor units
OK?
YES
Reset the power supply and restart operation
Is E61 occur?
99
–
Content
Communications error between
the master unit and slave units
NO
NO
YES
–
Countermeasure
Corrent.
Replace the outdor unit
PCB
Anomalous noise, etc.