Ye
s
Ye
s
No
No
No
No
Ye
s
Ye
s
No
No
Ye
s
[P17]
Cause
Check code
Check code name
Discharge temp
TD2
trouble
1.
Outdoor unit service valve closed
2.
Outdoor PMV
trouble
3.
TD sensor
trouble
4.
Refrigerant shortage, clogging of refrigerant circuit
5.
4-way valve
trouble
6.
SV4 circuit leakage, misinstallation
Are service valves of gas and liquid sides fully opened?
Open service valves fully
.
Repair outdoor PMV
.
Replace
TD2 sensor
.
Check 4-way valve.
Correct installation of valve coil. Replace SV42 valve.
Correct wiring
Refrigerant shortage, clogging, pipe breakage
Are indoor units of a dif
ferent refrigerant line
connected?
Are
characteristics of
TD2 sensor resistance normal?
Does discharge
refrigerant gas bypass to suction side through
4-way valve?
Connectors: PMV1: CN300, PMV4: CN303
Ye
s
(Check it using the miswiring check function of the outdoor unit.)
(Check there is no pipe breakage, and then recharge the refrigerant.)
Is outdoor PMV normal? 1. Connector connection
2. Wiring
Coil
3.
4. V
alve body
5. Outdoor I/F P
.C. board
SV4 circuit
1.
Are SV41, SV42
valve coils installed correctly?
Is SV42 circuit sealed
2. correctly (no leakage)?
Ye
s
Ye
s
No
No
No
Ye
s
No
No
Ye
s
[P15]
Cause
Check code
Check code name
Gas leak detection TD condition (Sub-code: 02)
1.
Outdoor unit service valve closed
2.
Outdoor PMV
trouble
3.
TD sensor
trouble
4.
SV4 circuit
trouble
5.
Refrigerant shortage, clogging refrigerant circuit
Are service valves of gas
and liquid sides fully opened?
Open service valves fully
.
Repair outdoor PMV
.
Replace
TD1
and
TD2
sensor.
Correct wiring.
Refrigerant shortage, clogging, pipe breakage.
Repair SV4 valve circuits.
(Coil, valve body
, coil installation,
disconnection of cable, etc.)
Ye
s
(Check it using the miswiring check function of the outdoor unit.)
(Check there is no clogging and pipe breakage, and then recharge refrigerant.)
Connectors: PMV1: CN300, PMV4: CN303
Are
characteristics of
TD1
and
TD2
sensor resistance
normal?
Is SV4 valve circuit normal?
(Coil misinstallation,
valve leakage)
Are not indoor units in dif
ferent
refrigerant circuit
connected?
Is outdoor PMV normal?
Connector connection
1.
Wiring
2.
Coil
3.
4. V
alve body
5. Outdoor I/F P
.C. board
* S
ee
“O
utd
oo
r unit
tempe
ratu
re
sen
sor
characteristics”
on
“8-10
. Sensor
Characteristics”.
* Se
e
“O
ut
do
or
un
it
te
mp
er
at
ur
e
senso
r
characteristics”
on
“8-10.
Sensor
Characteristics”.
−
20
7
−
Summary of Contents for MMY-MAP0806FT7(J)P
Page 32: ... 31 1 2 Single port FS Unit RBM Y1123FE FE2 RBM Y1803FE FE2 ...
Page 33: ... 32 RBM Y2803FE FE2 ...
Page 302: ...MMY MAP0806FT8 J P E MAP1006FT8 J P E MMY MAP0806FT8 J P TR MAP1006FT8 J P TR 301 ...
Page 307: ... 306 MMY MAP1206FT8 J P E MAP1406FT8 J P E MMY MAP1206FT8 J P TR MAP1406FT8 J P TR ...