Mitsubishi Heavy Industries SRK20ZJX-S Service Manual page 109

Error code
Remote controller:
E47
1. Applicable model
All models
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 sub PCB
• Dust on outdoor sub 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 sub PCB for foreign matter
like dust, fouling,
etc.
108
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Content
Active filter voltage error
NO
NO
NO
YES
-
'10 • SCM-SM-094
Countermeasure
Restore normal condition.
Restore normal condition.
Remove foreign matter like
dust, fouling, etc.
Defective outdoor sub PCB
Replace.