Ye
s
Ye
s
No
No
No
Ye
s
No
Ye
s
No
Ye
s
* Resistance of the winding:
8
.1-
9
.
9
Ω
(between
U-V, V-W and W-U
)
[P22]
e
s
u
a
C
e
d
o
c
k
c
e
h
C
Check code name
Outdoor fan IPDU
trouble
1.
Fan lock
2.
Fan IPDU P
.C. board
trouble
3.
Overload
4.
External cause such as blast
Sub-code:
1
0
:
short circuit
1
1
: Position detection circuit
trouble
1
3
: Motor lock
14: Motor current trouble detected 1
C
: TH sensor temperature
trouble
1
D
: TH sensor
trouble
1
E
: Fan Vdc
trouble
Is wire
connector connection
on fan IPDU P
.C. board
normal?
Is not outdoor fan
motor locked?
Is the resistance of
the motor's winding
wire normal?
Is sub-code of
outdoor I/F P
.C.
board [0*]?
Is there
no problem such as
stuf
fing or blast blowing
to discharge port of
outdoor fan?
Correct wire connector
connection.
Replace motor
.
Replace fan IPDU.
Clear the cause of overload.
Check fan IPDU.
Ye
s
Ye
s
No
No
No
No
Ye
s
No
Ye
s
Ye
s
No
Ye
s
Ye
s
Ye
s
No
No
Ye
s
No
(C)
Ye
s
No
Heating operation
Does heating
indoor fan normally
operate?
Is indoor PMV
normal?
Is check valve
of main
discharge pipe
normal?
Is there
clogging in any
valves?
Is SV5 circuit normal?
Are any indoor
units in dif
ferent
refrigerant circuit
connected?
Are
characteristics of
sensor TC2
and TCJ
resistance normal?
Is connector
connection and coil
normal?
Is connector
connection, condenser
or fan motor normal?
Repair fa
ilure
parts.
Repair
failure
parts.
Repair check valve.
Replace
Eliminate the
interference.
Replace PMV body
.
Check and correct
wiring.
Replace TC2
or TCJ
sensor
.
Refrigerant overcharge,
clogging, pipe breakage,
abnormal overload
Check indoor P
.C. board.
F
ailure
Replace
Repair SV5 circuit.
(Coil
trouble
, choke,
disconnection of cables, etc.)
(Check it using the
miswiring check function
of the outdoor unit.)
Is there any interference
of heat-exchanging of
indoor unit?
1. Filter clogging
Heat exchanger
2.
clogging
3.
Air short circuit
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