Mitsubishi FDCVA302HENR User Manual

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114
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11
[Over-current error on A/F (active filter) module]
Error display :
e47
Replace the outdoor
unit inverter
Normal
NO
NO
YES
NO
YES
YES
Is the IC2
cracked or burnt?
Does compressor operate?
Is voltage within
DC 380 ~ 390 V
between T26 and T27?
Replace the foreign
object.
Is any
foreign object weded into
the rotaingparts of the
fan motor?
YES
Turn the
fan by hand several
revolutions. Does ittum
smoothly?
YES
NO
Replace the
fan motor.
NO
Does it return to normal?
Replace the
fan motor.
NO
Is there
voltage at the fan motor
connector (between CNFAN
1, 2-(1) – (4))?
YES
NO
Check the power
supply voltage.
NO
Reset the power supply.
YES
Depends on whether or not
transient noise passed through.
Is fuse F2 blown?
YES
Replace the fuse.
12
[DC Fan motor abnormal]
Indoor unit
Red LED
Green LED
Stays OFF
Keeps flashing
Red LED
Green LED
1 time flash
Keeps flashing
Outdoor unit
Error display :
e48
● Display conditions
If the rotation of the outdoor unit’s fan motor (FM01, 2)
continues for 30 seconds at 100 min
-1
or lower, the com-
pressor and outdoor unit fan motor stop. After a 3-minute
delay, they start again automatically, but in the case where
it happens 5 times within 60 minutes.
Note (1) If trouble occurs even when the fan motor is replaced, replace the
control board.
Indoor unit
Red LED
Green LED
Stays OFF
Keeps flashing
Red LED
Green LED
1 time flash
Keeps flashing
Outdoor unit

Mitsubishi FDCVA302HENR Specifications

General

Brand	Mitsubishi
Model	FDCVA302HENR
Category	Air Conditioner
Language	English