Active Filter Voltage Error - Mitsubishi Heavy Industries FDT Series Technical Manual

Error code
E47
Remote controller:
1. Applicable model
Models SRC40-60
2. Error detection method
Error is displayed if the
converter voltage exceeds
DC340V (3 times within 20
minutes). Remote controller
may be set after 3 minutes
delay.
3. Condition of Error displayed
Same as above
4. Presumable cause
• Defective outdoor PCB
• Dust on outdoor PCB
• Anomalous power supply
Note:
LED Green Red
Indoor Keeps flashing Stays OFF
Outdoor 2 times flash
5. Troubleshooting
Diagnosis
Is the power supply normal?
YES
Is voltage
within the specified range?
YES
Check
soldered surfaces on the
outdoor PCB for foreign matter
like dust, fouling,
etc.
- 408
Content
(Models SRC40-60)
NO
NO
NO
YES
-
'12 • PAC-T-173
Countermeasure
Restore normal condition.
Restore normal condition.
Remove foreign matter like
dust, fouling, etc.
Defective outdoor
PCB Replace.