Toshiba MMK-AP0074MH-E Service Manual page 58

Check code
Wired Outdoor 7-segment display
remote
Check code Auxiliary code
controller
E31 E31
A-3-IPDU
FAN
IPDU
1 2 3
01 ¡
02 ¡
03 ¡ ¡
04 ¡
05 ¡ ¡
06 ¡ ¡
07 ¡ ¡ ¡
08 ¡
09 ¡ ¡
F01 — —
F02 — —
F03 — —
F04 F04 —
F05 F05 —
F06 F06 01: TE1 sensor error
02: TE2 sensor error
F07 F07 —
F08 F08 —
F10 — —
F12 F12 —
F13 F13 01: Compressor 1 side
02: Compressor 2 side
03: Compressor 3 side
Detected
Check code name
position
I/F IPDU communication error
A-3-IPDU
FAN
IPDU
1 2 3
0A ¡ ¡
0B ¡ ¡ ¡
0C ¡ ¡
0D ¡ ¡ ¡
0E ¡ ¡ ¡
0F ¡ ¡ ¡ ¡
¡ mark:
Error position.
Indoor unit Indoor TCJ sensor error
Indoor unit Indoor TC2 sensor error
Indoor unit Indoor TC1 sensor error
I/F TD1 sensor error
I/F TD2 sensor error
I/F TE1, TE2 sensor error
I/F TL sensor error
I/F TO sensor error
Indoor Indoor TA sensor error
I/F TS1 sensor error
IPDU TH sensor error
Status Error detection condition
All stop Communication of each IPDU
(P .C. board) in inverter box
interrupted.
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
infinite or zero (Open/Short).
unit only stops.
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).
All stop • Resistance value of sensor is
infinite or zero (Open/Short).
• Resistance value of sensor is
Corresponding
unit only stops. infinite or zero (Open/Short).
All stop • Resistance value of sensor is
infinite or zero (Open/Short).
• Resistance value of sensor is
All stop
infinite or zero (Open/Short).
Check item (position)
• Check connection of communication connector and
disconnection between IPDU and I/F P .C. board.
• Check outdoor P .C. board (I/F , Comp., IPDU, Fan IPDU) error.
• Check external noise.
• 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 TD2 sensor connector.
• Check characteristics of TD2 sensor resistance value.
• Check outdoor P .C. board (I/F) error.
• Check connection of TE1, TE2 sensor connector.
• Check characteristics of TE1, TE2 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 Comp. IPDU P .C. board.