Toshiba MAR-C104M8-1-PE, Service Manual

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8.3 2-Pipe system fault code summary.
Fault codes can be identified from either the Remote controller, Multi controller or Outdoor unit as shown in
the diagram below.
04
0b
0C
0d
08
09
99
15
No communication I/F to INV
No communication M/C to O/D
M/C control board fault
No communication initially M/C to O/D
ThA sensor fault
ThB sensor fault
ThC sensor fault
ThD sensor fault
ThX sensor fault
M/C drain pump fault
I/D capacity rank codes too high
LED 1
LED 2
LED 3
LED 4
LED 5
LED 6
LED 7
LED 8
ThD1 sensor fault
ThD2 sensor fault
ThS sensor fault
High pressure fault
Pressure sensor fault
Discharge temperature > 130°C
Suction temperature > 40°C
Low pressure < 0.25kgf/cm 2 G
04
8A
88
80
81
82
83
84
0b
89
LED 1
LED 2
LED 3
LED 4
LED 5
LED 6
LED 7
LED 8
ThA sensor fault
ThB sensor fault
ThC sensor fault
ThD sensor fault
ThX sensor fault
Over-capacity
M/C 1 fault
M/C 2 fault
1C
14
1d
1F
18
21
Refer to O/D
Refer to O/D
Refer to O/D
Refer to O/D
Refer to O/D
Refer to O/D
Phase rotation incorrect
"CHECK" flashing on R/C.
1C
14
1d
1F
18
21
Refer to O/D
Refer to O/D
Refer to O/D
Refer to O/D
Refer to O/D
Refer to O/D
Remote controller fault code Multi controller display switch position 1 Outdoor Unit
Display switch set to position "8" (LED on)
Display switch set to position "3" (LED on)
No communication INV to I/F
No communication M/C to O/D
No communication I/D to M/C
Drain pump fault - I/D unit
TA sensor fault
TC sensor fault
Reverse TC temperature change
No TC temperature change
No communication I/D to R/C
Refer to M/C
No communication I/F to INV
Refer to inverter control board diagnostics
"STANDBY" displayed
I/D capacity code set to "0"
Refer to the section on the inverter control
board diagnostics
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