Mitsubishi Heavy Industries SCM71ZS-W User Manual

-
148
-
'19 • SCM-SM-276
Error code
Remote control:
LED Green Red
Indoor
Outdoor
Content
Error code
Remote control:
LED Green Red
Indoor
Outdoor
Content
E47
Active lter voltage error
Keeps ashing
Stays OFF
– 2
-
time ash
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 sub 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 sub
PCB
➞
Replace.
2. Error detection method
Error is displayed if the
converter voltage exceeds
DC340V (3 times within 20
minutes). Remote control may
be set after 3-minute delay.
3 . Condition of error displayed
Same as above
4. Presumable cause
• Defective outdoor unit sub
PCB
• Dust on outdoor unit sub PCB
• Anomalous power source
Note:
• If the overvoltage (DC voltage is higher than 400V) occurs,
the system shut down to protect the unit.

Mitsubishi Heavy Industries SCM71ZS-W Specifications

General

Brand	Mitsubishi Heavy Industries
Model	SCM71ZS-W
Category	Air Conditioner
Language	English