212
No
Y
es
Y
es
No
Error
No error
No
Y
es
[H16] / [d7]
(AI-NET)
Check code
Cause
Check code name
TK5 temperature detective circuit
error
(Sub-code: 05)
1.
Coming-of
f of
TK5 sensor
, miswiring, characteristics
error of resistance value
2.
Malfunction or clogging of SV3E valve
3.
Oil-equalization circuit error (Capillary or strainer
clogging)
4.
Refrigerant stagnation in the compressor shell
Is not
TK5 sensor
detached?
Correct installation of sensor
.
Sensor error
➝
replace
Check I/F P
.C. board
Replace SV3E valve.
Is there
no miswiring or
misinstallation on
TK1/TK2/TK3/TK4/TK5
sensors?
Are
characteristics of
TK5 sensor resistance
value normal?
Check the clogging
of SV3E valve.
(Note 1)
Correct miswiring/misinstallation.
TK1: CN531, black
TK2: CN532, green
TK3: CN533, pink
TK4: CN534, yellow
TK5: CN535, red
(Note 1) Refer to the article of the check code [H07].
[H25] / [B2]
(AI-NET)
Y
es
Y
es
No
No
Check code
Cause
Check code name
Outdoor discharge temperature
sensor (TD3) misconnection
1.
Coming-of
f of
TD3 sensor
2.
Misinstallation of
TD1,
TD2,
or
TD3
sensor
,
miswiring, characteristics error of resistance value
Is there no
miswiring or
misinstallation on
TD1
/TD
2
/
TD
3
sensors?
Are resistance
characteristics of
TD3
sensor normal?
Correct miswiring/misinstallation.
TD1: CN502, white
TD2: CN503, pink
TD3: CN504, blue
No
Y
es
Is
TD3
sensor
installed correctly?
Correct installation of sensor
.
Check I/F P
.C. board.
Sensor error
➝
Replace the sensor
.
