Ye
s
Ye
s
No
No
No
Ye
s
No
No
Ye
s
Ye
s
No
Ye
s
** Resistance of the winding
:
9.3
-
11.5
Ω (between
U-V, V-W and W-U
)
[P22]
Check code name
Cause
Check code
Outdoor fan motor trouble
1.
Fan motor lock
2. Fan
P
.C.
board
trouble
3. Overload
4.
External cause such as blast
Sub-code:
* 380
-415
V ± 10%
∗
1: Fan 1,
∗
2: Fan 2
Is wire
connector connection
on fan P
.C. board
normal?
Is outdoor fan
motor locked?
Is the resistance of
the motor's winding
wire normal?
Is there
problem such as
stuf
fing or blast blowing
to discharge port of
outdoor fan?
Correct wire connector
connection.
Replace motor
.
Replace the fan motor
End
Clear the cause of overload.
Replace fan P.C. board
Ye
s
No
No
Ye
s
Is power voltage
of outdoor unit
normal?
Is voltage normal
when other compressor
starts?
Correct power line.
Are there
any physical factors
such as foreign objects that
hinder operation of
fan motor?
Does trouble
occur after removing
foreign objects?
Ye
s
No
Ye
s
No
Ye
s
No
Ye
s
No
[P26]
Cause
Check code
Check code name
IPM short-circuit protection trouble
1.
Outdoor unit power trouble
2.
Compressor trouble/Wire connection trouble
3.
Compressor trouble/Winding earth trouble,
Insulation failure
4.
Compressor P.C. board trouble
Is power voltage
of outdoor unit
normal?
Is wire
connector connection
on compressor P
.C.
board normal?
Is there fusing
of
63
A
fuse?
Is compressor
normal?
Correct power line.
Correct connection of wire
connector
.
Replace compressor
P.C. board.
Replace compressor
.
Replace compressor
P
.C.
board.
Sub-code:
1
∗
: Compressor 1, 2
∗
: Compressor 2
- 224 -
Summary of Contents for MMY-MUP0801HT7JP
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