– 215 –
[P05]
Ye
s
* 380-415V±
10%
Ye
s
No
No
No
Ye
s
Ye
s
No
Ye
s
No
[P07]
e
s
u
a
C
e
d
o
c
k
c
e
h
C
Check code name
e
s
u
a
C
e
d
o
c
k
c
e
h
C
Check code name
Phase error detected, power
failure detected, abnormal inverter
DC voltage (on compressor)
Phase error or power failure of the power supply to
the outdoor unit
Sub-code: 00: Phase error/power failure is detected. 01:
Abnormal inverter DC voltage on Compressor 1,
02:
Abnormal inverter DC voltage on Compressor 2, 03:
Abnormal inverter DC voltage on Compressor 3
Sub-code:
01: Compressor 1,
02: Compressor 2,
03: Compressor 3
•
Check the phase of the power line to the outdoor unit.
•
Check error of outdoor I/F P
.C. board.
•
Check there are no loosened connectors, etc.
•
Check connection wiring of MG-CTT
.
•
Check operation of MG-CTT
.
Heat sink overheat error
1. Power
voltage
error
2.
Outdoor fan system error
3.
Heat sink installation error
4.
Clogging of the cooling duct for the heat sink
5.
A3-IPDU P
.C. board error
Is power voltage
normal?*
Is wiring of
A3-IPDU
normal?
Is indoor fan normal?
Are screws fixing
A3-IPDU and heat
sink loosened?
Is there no
clogging of heat
sink cooling duct?
Correct power line.
Correct wiring to
compressor or connector
connection.
Check fan and fan motor
.
T
ighten screws.
Clear clogging.
Check A3-IPDU
P
.C.
board.
Ye
s
Ye
s
Ye
s
No
No
Ye
s
No
Ye
s
No
No
No
No
No
Ye
s
No
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
No
No
(C)
(A)
Is SV2 circuit normal?
Is SV4 circuit normal?
Does heating
indoor fan normally
operate?
Are connector
connection, condenser
,
fan motor and fan
normal?
Is connector connection
and coil normal?
Is there clogging
on any valve?
Are
characteristics
of TC2
and TCJ
sensor
resistance value
normal?
Is indoor PMV
normal?
Is SV5 circuit
normal?
(Check it using the
miswiring check function
of the outdoor unit.)
Are any indoor units
of dif
ferent refrigerant
line connected?
Is there any
interference of heat-
exchanging of indoor unit?
1. Filter clogging
2. Heat exchanger clogging
3.
Air short circuit
Repair SV2 circuit.
Repair SV4 circuit.
(Coil error
, clogging,
disconnection of
wiring, etc.)
Repair faulty parts.
Repair faulty parts.
Eliminate the
interference.
Replace PMV body
.
Check and correct the
wiring.
Replace TC2
and/or
TCJ sensor
.
Repair faulty parts;
connector connection,
cabling, coil installation,
clogging, etc
Refrigerant overcharge,
clogging, pipe
breakage, abnormal
overload condition
Check indoor P
.C. board.
Failure
Replace
Heating operation
Refrigerant
overcharge, clogging,
pipe breakage,
abnormal overload
condition
Coil error
, clogging,
disconnection of wiring, etc.
Содержание MMY-MAP0804HT7JP
Страница 23: ... 22 1 Wiring Diagrams 1 1 Outdoor Unit Models MMY MAP0804 MAP1004 and MAP1204 ...
Страница 24: ... 23 Models MMY MAP1404 and MAP1604 ...
Страница 35: ... 34 1 2 10 Slim Duct Type AP024 AP027 Models MMD AP0244SPH MMD AP0274SPH ...
Страница 38: ... 37 1 2 13 High Wall Type 3 series Models MMK AP0073H AP0093H AP0123H AP0153H AP0183H AP0243H ...
Страница 52: ... 51 2 5 Parts Layout in Outdoor Unit 8 10 12HP Model MMY MAP0804 MAP1004 MAP1204 ...
Страница 53: ... 52 14 16HP Model MMY MAP1404 MAP1604 ...
Страница 57: ... 56 2 7 2 Inverter P C board for compressor MCC 1596 A3 IPDU ...
Страница 323: ......