Mitsubishi Heavy Industries FDTC40ZHXV Technical Manual page 345

Error code Error code
Remote Controller: E59
1. Applicable Model
FDC71-140VN inverter PAC models
FDC100-140VS inverter PAC models
FDC200, 250 inverter PAC models
2. Error detection method
3. Condition of Error displayed
4. Presumable cause
LED
Indoor control PCB Keeps flashing
Outdoor control PCB Keeps flashing
Yellow LED
Outdoor inverter
PCB
5. Troubleshooting
YES
Is the
power transistor
module OK?
YES
After power OFF, turn SW10-4 of
inverter PCB ON and connect the
inverter checker. Then power ON
Is the
inverter output OK ?
(Check by inverter
checker)
YES
Try to restart several times
Does it start?
Green Red
Stays
OFF
Compressor startup failure (2/2)
1 time
flash
( Model FDC71-140 and 200,250 )
(Red for 200, 250VS)
Stays off or
4 times flash
Diagnosis
A
NO (inverter PCB anomaly)
i
NO
Note: Several times restarting
may recover it, because liquid
refrigerant migrated in the
compressor could be discharged
from the compressor
NO
– 321-1 –
Content
Countermeasure
Replace inverter PCB
Replace inverter PCB
Replace compressor
#