Mitsubishi FDT100VNXWVH Service Manual page 172

Error code Indoor display
Remote control:
E59
Outdoor unit
Outdoor unit
inverter PCB
1. Applicable model
All models
2. Error detection method
3. Condition of error displayed
4. Presumable cause
Note:
RUN light
–
Green LED
Keeps flashing
control PCB
Yellow LED
Stays OFF
5. Troubleshooting
From previous page
After power OFF, turn SW10-4 of
inverter PCB ON and connect the
inverter checker. Then power ON
again.
inverter output OK?
(Check by inverter
Try to restart several times.
TIMER light
Content
–
Red LED
Compressor startup failure (2/2)
5-time flash
Diagnosis
YES
Is the (inverter PCB anomaly)
power transistor
module OK?
YES
Is the
checker.)
Note(1) Several times restarting may
recover it, because liquid
refrigerant migrated in the
compressor could be discharged
YES
from the compressor.
Does it start?
171
- -
'20 • PAC-SM-351
Countermeasure
Replace inverter PCB.
NO
Replace inverter PCB.
NO
Replace compressor.
NO