Toshiba MiNi-SMMS MCY-MAP0501HT Service Manual page 118

Check code
Outdoor 7-segment display
Wired
remote
controller Check code
Auxiliary code
F01 — —
F02 — —
F03 — —
F04 F04 —
F06 F06 —
F07 F07 —
F08 F08 —
F10 — —
F12 F12 01: TS1
F13 F13 01: Compressor 1
F15 F15 —
F16 F16 —
Detected Check code
AI-NET
position name
central control
remote controller
OF Indoor unit Indoor TCJ
sensor error
Od Indoor unit Indoor TC2
sensor error
93 Indoor unit Indoor TC1
sensor error
19 I/F TD1 sensor
error
18 I/F TE1 sensor
error
18 I/F TL sensor error
1b I/F TO sensor error
OC Indoor Indoor TA
sensor error
A2 I/F TS1 sensor
error
43 IPDU TH sensor error
18 I/F Outdoor temp
sensor
miscabling
(TE1, TL)
43 I/F Outdoor
pressure
sensor
miscabling
(Pd, Ps)
Status Error detection condition
Corresponding • Resistance value of sensor is
unit only stops infinite or zero. (Open/Short)
Corresponding • Resistance value of sensor is
unit only stops. infinite or zero (Open/Short).
Corresponding • Resistance value of sensor is
unit only stops. infinite or zero (Open/Short).
All stop • Resistance value of sensor is
infinite or zero (Open/Short)
All stop • Resistance value of sensor is
infinite or zero (Open/Short).
All stop • Resistance value of sensor is
infinite or zero (Open/Short).
All stop • Resistance value of sensor is
infinite or zero (Open/Short).
Corresponding • Resistance value of sensor is
unit only stops. infinite or zero (Open/Short).
All stop • Resistance value of sensor is
infinite or zero (Open/Short).
All stop • Resistance value of sensor is
infinite or zero (Open/Short).
All stop During operation of compressor
in HEAT mode, the TE1
detection temp was higher than
that of TL by the specified value
continued for 3 minutes or more.
All stop High-pressure Pd sensor and
low-pressure Ps sensor were
exchanged, or output voltages
of both sensors are zero.
Check item (position)
• Check connection/cabling of TCJ sensor connector.
• Check characteristics of TCJ sensor resistance value.
• Check indoor P .C. board error.
• Check connection/cabling of TC2 sensor connector.
• Check characteristics of TC2 sensor resistance value.
• Check indoor P .C. board error.
• Check connection/cabling of TC1 sensor connector.
• Check characteristics of TC1 sensor resistance value.
• Check indoor P .C. board error.
• Check connection of TD1 sensor connector.
• Check characteristics of TD1 sensor resistance value.
• Check outdoor P .C. board (I/F) error.
• Check connection of TE1 sensor connector.
• Check characteristics of TE1 sensor resistance value.
• Check outdoor P .C. board (I/F) error.
• Check connection of TL sensor connector.
• Check characteristics of TL sensor resistance value.
• Check outdoor P .C. board (I/F) error.
• Check connection of TO sensor connector.
• Check characteristics of TO sensor resistance value.
• Check outdoor P .C. board (I/F) error.
• Check connection/cabling of TA sensor connector.
• Check characteristics of TA sensor resistance value.
• Check indoor P .C. board error.
• Check connection of TS1 sensor connector.
• Check characteristics of TS1 sensor resistance value.
• Check outdoor P .C. board (I/F) error.
• IGBT built-in temp sensor error
→ Exchange IPDU P .C. board.
• Check installation of TE1 sensor and TL sensor.
• Check characteristics of TE1 and TL sensor resistance value.
• Check outdoor P .C. board (I/F) error.
• Check connection of high-pressure Pd sensor connector.
• Check connection of low-pressure Ps sensor connector.
• Check pressure sensors Pd and Ps error.
• Check outdoor P .C. board (I/F) error.
• Check compression error of compressor.