49
80
81
82
83
84
0b
89
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 total capacity codes too high
04
8A
88
80
81
82
83
84
0b
89
ThA sensor fault
ThB sensor fault
ThC sensor fault
ThD sensor fault
ThX sensor fault
M/C drain pump fault
Over-capacity
1C
14
1d
1F
21
1C
14
1d
1F
21
Refer to O/D
Refer to O/D
Refer to O/D
Refer to O/D
Refer to O/D
"STANDBY" displayed
I/D capacity code set to "0"
No communication I/F to INV
Refer to inverter control board diagnostics
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.
04
0b
0C
0d
08
09
99
15
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
Remote controller fault code
Multi controller display switch position 1
Outdoor Unit
8.4
3-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.
ThD1 sensor fault
ThD2 sensor fault
ThS sensor fault
ThO sensor fault
ThE sensor fault
Discharge temperature > 130°C
Suction temperature > 40°C
Pressure sensor fault
D.O.L. compressor fault
Low pressure < 0.25kgf/cm
2
G
AO
A1
A2
A4
A5
A6
A7
AA
Ad
AE
[E] [r] [fault code] Refers to O/D
[E] [1] [fault code] Refers to M/C 1
[E] [2] [fault code] Refers to M/C 2
Interface control board.
SW1 set to "2", SW2 set to "0".
Refer to the section on the inverter control
board diagnostics
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Summary of Contents for MAR-C104M8-1-PE
Page 2: ......
Page 22: ......
Page 58: ...61 13 EXPLODED VIEWS AND SERVICE PARTS LISTS 13 1 Outdoor Unit MAR C104M8 1 PE ...
Page 60: ...63 13 3 Outdoor Units MAR M104HTM8 1 PE MAR F104HTM8 1 PE ...
Page 63: ...66 13 6 Outdoor unit electrical parts assembly MAR C104M8 1 PE ...
Page 65: ...68 MAR M104HTM8 1 PE MAR F104HTM8 1 PE ...
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