Toshiba R410A Service Manual page 126

Check code
Outdoor 7-segment display
Main
remote
controller Check code
Sub-code
E31 E31 01: IPDU1 error
02: IPDU2 error
03: IPDU1, 2 errors
04: Fan IPDU error
05: IPDU1 + Fan IPDU error
06: IPDU2 + Fan IPDU error
07: All IPDU error or communication error
between IPDU and I/F P .C. board or
outdoor I/F P .C. board error
F01 — —
F02 — —
F03 — —
F04 F04 —
F05 F05 —
F06 F06 —
F07 F07 —
F08 F08 —
F10 — —
F12 F12 01: TS1
02: TS2
Detected Check code
AI-NET
position name
central control
remote controller
CF I/F IPDU
communication
error
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
A1 I/F TD2 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, TS2
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
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).
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).
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 , IPDU, Fan IPDU) error.
• Check external noise.
• Check power supply P .C. board for fan error.
• 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 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 or TS2 sensor connector.
• Check characteristics of TS1, TS2 sensor resistance value.
• Check outdoor P .C. board (I/F) error.