E47
Active filter voltage error
1. Applicable model
5. Troubleshooting
All models
Diagnosis
Countermeasure
YES
YES
NO
Is the power source normal?
NO
Check
soldered surfaces on the
outdoor unit PCB for foreign matter
like dust, fouling,
etc.
YES
Is voltage
within the specified range?
NO
Restore normal condition.
Restore normal condition.
Remove foreign matter like
dust, fouling, etc.
Defective outdoor unit
PCB
➞
Replace.
2. Error detection method
Error is displayed if the
converter voltage exceeds target
voltage (3 times within 20
minutes). Remote control may
be set after 3-minute delay.
Error is displayed if the
converter voltage is lower
than 210V (1-time within
5 seconds after power ON)
3. Condition of error displayed
Same as above
4. Presumable cause
• Defective outdoor unit PCB
• Dust on outdoor unit PCB
• Anomalous power source
Note:
Error code
Remote control:
LED
Green
Red
Content
Indoor
Stays OFF
Keeps flashing
'22 • PAC-SM-412
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89
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