Mitsubishi Electric FDF100VSXVD Technical Manual page 189

Error code
E49
Remote controller:
1. Applicable model
All models
2. Error detection method
3. Condition of Error displayed
4. Presumable cause
Note:
LED Green Red
Indoor Keeps flashing Stays OFF
Outdoor Keeps flashing 1 time flash
5. Troubleshooting
Diagnosis
Continued from previous page.
Is the
service valve fully
opened?
YES
Are the
connections of low
pressure sensor and suction pipe
temprerature thermister
connector OK?
YES
Are the
characteristics of
low pressure sensor, suction
pipe temperature
thermistor OK?
YES
Is the low
pressure normal during
operation?
188
–
Content Low pressure error or
low pressure sensor anomaly (2/2)
NO
NO
NO
NO
YES
–
'11 • PAC-T-160
Countermeasure
Open fully.
Correct.
Defective low pressure
sensor, suction pipe
temperature thermistor
Replace.
Charge refrigerant.
Defective outdoor control
PCB Replace.
(Defective low pressure
sensor, suction pipe
temperature thermistor
circuits)