217
[P05] / [AF]
(AI-NET)
Y
es
* 380-415V±10%
Y
es
No
No
No
Y
es
Y
es
No
Y
es
No
[P07] / [1C]
(AI-NET)
Check code
Cause
Check code name
Check code
Cause
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.
Y
es
Y
es
Y
es
No
No
Y
es
No
Y
es
No
No
No
No
No
Y
es
No
Y
es
Y
es
Y
es
Y
es
Y
es
Y
es
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.
