Toshiba MiNi-SMMS MCY-MAP0501HT Service Manual page 130

Check code Check code name
[F04] / [19] TD1 sensor error
(TCC-L / AI-NET)
This check code means detection of Open/Short of TD1 sensor.
Check disconnection of connector (TD1 sensor: CN502, White) and characteristics of sensor resistance value.
(Refer to Outdoor unit temperature sensor characteristics.)
If sensor is normal, replace outdoor I/F P.C. board.
Check code Check code name
[F06] / [18] TE1 sensor error
(TCC-L / AI-NET)
This check code means detection of Open/Short of TE1 sensor.
Check disconnection of connector (TE1 sensor: CN505, Green) and characteristics of sensor resistance value.
(Refer to Outdoor unit temperature sensor characteristics.)
If sensor is normal, replace outdoor I/F P.C. board.
Check code Check code name
[F07] / [18] TL sensor error
(TCC-L / AI-NET)
This check code means detection of Open/Short of TL sensor.
Check disconnection of connector (TL sensor: CN521, White) and characteristics of sensor resistance value.
(Refer to Outdoor unit temperature sensor characteristics.)
If sensor is normal, replace outdoor I/F P.C. board.
Check code Check code name
[F08] / [1b] TO sensor error
(TCC-L / AI-NET)
This check code means detection of Open/Short of TO sensor.
Check disconnection of connector (TO sensor: CN507, Yellow) and characteristics of sensor resistance value.
(Refer to Outdoor unit temperature sensor characteristics.)
If sensor is normal, replace outdoor I/F P.C. board.
Check code Check code name
[F10] / [0C] Indoor TA sensor error
(TCC-L / AI-NET)
This check code means detection of Open/Short of TA sensor.
Check disconnection of connector (TA sensor: CN104, Yellow) and characteristics of sensor resistance value. (Refer
to Outdoor unit temperature sensor characteristics.)
If sensor is normal, replace indoor P.C. board.
Cause of operation
TD1 sensor Open/Short
Cause of operation
TE1 sensor Open/Short
Cause of operation
TL sensor Open/Short
Cause of operation
TO sensor Open/Short
Cause of operation
TA sensor Open/Short
Check code Check code name
[F12] / [A2] TS sensor error
(TCC-L / AI-NET)
This check code means detection of Open/Short of TS sensor.
Check disconnection of connector (TS1 sensor: CN504, White TS2 sensor: CN522, Black) and characteristics of
sensor resistance value. (Refer to Outdoor unit temperature sensor characteristics.)
If sensor is normal, replace outdoor I/F P.C. board.
Check code Check code name
[F13] / [43] TH sensor error
(TCC-L / AI-NET)
This check code means IGBT built-in temperature sensor error.
Check connection of connectors CN06 on IPDU P.C. board and CN600 on I/F P.C. board.
If sensor is normal, replace IPDU P.C. board.
Check code Check code name
[F15] / [18] Outdoor temp sensor miscabling
(TE1, TL)
(TCC-L / AI-NET)
NO
Are installed positions of
TE1 sensor and TL sensor correct?
Outdoor I/F P.C. board
TE1 sensor : CN505, Green
YES
TL sensor : CN521, White
NO
Are connection of TE1 sensor connector
and TL sensor connector normal?
YES
NO
Are resistance characteristics of
TL sensor and TE1 sensor normal?
YES
* Outdoor unit temperature sensor characteristics
See TE1 sensor : Characteristics-5.
See TL sensor : Characteristics-3.
®
Check outdoor I/F P.C. board.
Defect Replace
* TE1 sensor : Outdoor heat exchanger temp sensor
TL sensor : Temp sensor between liquid tanks of outdoor P.M.V. 1/2
Cause of operation
TS1, TS2 sensor Open/Short
Cause of operation
IGBT built-in sensor error in A3-IPDU
Cause of operation
1. Misinstallation and misconnection of TE1
sensor and TL sensor
2. Resistance characteristics error of TE1
sensor and TL sensor
3. Outdoor P.C. board (I/F) error
Correct installed positions of
TE1 sensor and TL sensor.
Correct connection.
Correct connection.