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Fault codes
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Press the ‘CHECK’ button for approximately ½ second
Fault codes – Remote controller To retrieve fault codes from the remote controller Press the ‘CHECK’ button for approximately ½ second To clear fault codes from the remote controller Press the ‘CHECK’ button and hold for approximately 15 seconds
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between Interface PCB & IPDU
Fault codes – Remote controller Code 04 No communication between Interface PCB & IPDU No communication between M/C & O/D No communication between I/D & M/C
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Fault codes – Remote controller
0b Drain pump fault (Indoor unit)
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Fault codes – Remote controller
TA sensor fault (Indoor unit)
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Fault codes – Remote controller
TC sensor fault (Indoor unit)
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Reversal of temperature change
Fault codes – Remote controller Code 08 Reversal of temperature change measured by TC sensor (Indoor unit)
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No change in temperature
Fault codes – Remote controller Code 09 No change in temperature measured by TC sensor (Indoor unit)
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Fault codes – Remote controller
11 Motor short circuit
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b5 Code Fault codes – Remote controller External input display fault
Low level refrigerant leak if RBC-RD1-PE fitted)
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b6 Code Fault codes – Remote controller
External interlock display fault HIgh level refrigerant leak if RBC-RD1-PE fitted)
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Central management communication short circuit
Fault codes – Remote controller Code 97 Central management communication short circuit
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Central management address set-up fault
Fault codes – Remote controller Code 98 Central management address set-up fault
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99 Code Fault codes – Remote controller No communication between
remote controller and indoor unit Unit #1 not selected within group Unit #1 selection within group duplicated
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Refer to fault display at multi controller
Fault codes – Remote controller Code 15 Refer to fault display at multi controller
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Refer to fault display at outdoor unit
Fault codes – Remote controller Code 1C Refer to fault display at outdoor unit
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Refer to fault display at outdoor unit
Fault codes – Remote controller Code 14 Refer to fault display at outdoor unit
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Refer to fault display at outdoor unit
Fault codes – Remote controller Code 17 Refer to fault display at outdoor unit
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Refer to fault display at outdoor unit
Fault codes – Remote controller Code 21 Refer to fault display at outdoor unit
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Refer to fault display at outdoor unit
Fault codes – Remote controller Code 1d Refer to fault display at outdoor unit
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Refer to fault display at outdoor unit
Fault codes – Remote controller Code 1F Refer to fault display at outdoor unit
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Refer to fault display at outdoor unit
Fault codes – Remote controller Code d3 Refer to fault display at outdoor unit
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Refer to fault display at outdoor unit
Fault codes – Remote controller Code dA Refer to fault display at outdoor unit
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Fault codes – Multi controller
To retrieve fault codes from the multi controller E r - - Set the white rotary switch on the PCB to position # and read the fault code from the LCD display
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04 Code Fault codes – Multi controller No communication
between Interface PCB & IPDU No communication between M/C & O/D Also 04 fault code at remote controller
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8A Code Fault codes – Multi controller Multi controller PCB error
Also 15 fault code at remote controller
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88 Code Fault codes – Multi controller
Communication error between outdoor unit and multi controller Also 15 fault code at remote controller
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Also 15 fault code at remote controller
Fault codes – Multi controller Code 80 ThA sensor fault Also 15 fault code at remote controller
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Also 15 fault code at remote controller
Fault codes – Multi controller Code 81 ThB sensor fault Also 15 fault code at remote controller
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Also 15 fault code at remote controller
Fault codes – Multi controller Code 82 ThC sensor fault Also 15 fault code at remote controller
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Also 15 fault code at remote controller
Fault codes – Multi controller Code 83 ThD sensor fault Also 15 fault code at remote controller
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Also 15 fault code at remote controller
Fault codes – Multi controller Code 84 ThX sensor fault Also 15 fault code at remote controller
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Also 15 fault code at remote controller
Fault codes – Multi controller Code 0b Drain pump fault (Multi controller) Also 15 fault code at remote controller
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89 Code Fault codes – Multi controller
Indoor unit capacity codes too high or set to 0 Also 15 fault code at remote controller
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1C Code Fault codes – Multi controller
Refer to fault display at outdoor unit Also 15 fault code at remote controller
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14 Code Fault codes – Multi controller
Refer to fault display at outdoor unit Also 14 fault code at remote controller
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17 Code Fault codes – Multi controller
Refer to fault display at outdoor unit Also 17 fault code at remote controller
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21 Code Fault codes – Multi controller
Refer to fault display at outdoor unit Also 21 fault code at remote controller
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1d Code Fault codes – Multi controller
Refer to fault display at outdoor unit Also 1d fault code at remote controller
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1F Code Fault codes – Multi controller
Refer to fault display at outdoor unit Also 1F fault code at remote controller
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d3 Code Fault codes – Multi controller
Refer to fault display at outdoor unit Also d3 fault code at remote controller
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dA Code Fault codes – Multi controller
Refer to fault display at outdoor unit Also dA fault code at remote controller
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To retrieve fault codes from the outdoor unit . . . . . . . . . .
Fault codes – Outdoor unit To retrieve fault codes from the outdoor unit Set the rotary switch ‘SW01’ on the outdoor unit interface PCB to position #2 Set the rotary switch ‘SW02’ on the outdoor unit interface PCB to position #0 To clear faults codes from the outdoor unit, isolate and re-instate mains power supply
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04 Code Fault codes – Outdoor unit No communication
between Interface PCB & IPDU Also 04 fault code at remote controller Also 04 fault code at multi controller
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80 Code Fault codes – Outdoor unit ThA sensor fault
Also 15 fault code at remote controller Also 80 fault code at multi controller
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82 Code Fault codes – Outdoor unit ThC sensor fault
Also 15 fault code at remote controller Also 82 fault code at multi controller
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83 Code Fault codes – Outdoor unit ThD sensor fault
Also 15 fault code at remote controller Also 83 fault code at multi controller
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84 Code Fault codes – Outdoor unit ThX sensor fault
Also 15 fault code at remote controller Also 84 fault code at multi controller
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81 Code Fault codes – Outdoor unit ThB sensor fault
Also 15 fault code at remote controller Also 81 fault code at multi controller
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0b Code Fault codes – Outdoor unit Drain pump fault (Multi controller)
Also 15 fault code at remote controller Also 0b fault code at multi controller
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89 Code Fault codes – Outdoor unit
Indoor unit capacity codes too high or set to 0 Also 15 fault code at remote controller Also 89 fault code at remote controller
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08 Code Fault codes – Outdoor unit 4-way valve alarm
Also 1C fault code at remote controller Also 1C fault code at multi controller
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A0 Code Fault codes – Outdoor unit
Discharge temperature sensor (TD1) short circuit Also 1C fault code at remote controller Also 1C fault code at multi controller
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A1 Code Fault codes – Outdoor unit
Discharge temperature sensor (TD2) short circuit Also 1C fault code at remote controller Also 1C fault code at multi controller
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A2 Code Fault codes – Outdoor unit
Suction temperature sensor (TS) short circuit Also 1C fault code at remote controller Also 1C fault code at multi controller
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A4 Code Fault codes – Outdoor unit
External air sensor (ThO) short circuit Also 1C fault code at remote controller Also 1C fault code at multi controller
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A5 Code Fault codes – Outdoor unit Outdoor heat exchanger sensor
(TE) short circuit Also 1C fault code at remote controller Also 1C fault code at multi controller
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A6 Code Fault codes – Outdoor unit
Discharge temperature sensors (TD1/TD2) protective operation Also 1C fault code at remote controller Also 1C fault code at multi controller
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A7 Code Fault codes – Outdoor unit
Suction temperature sensor (TS) protective operation Also 1C fault code at remote controller Also 1C fault code at multi controller
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AA Code Fault codes – Outdoor unit
High pressure sensor (Pd) short circuit Also 1C fault code at remote controller Also 1C fault code at multi controller
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Ad Code Fault codes – Outdoor unit DOL (fixed speed) compressor fault
Also 1C fault code at remote controller Also 1C fault code at multi controller
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AE Code Fault codes – Outdoor unit Low pressure fault (Ps)
Also 1C fault code at remote controller Also 1C fault code at multi controller
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AF Code Fault codes – Outdoor unit
Power source phase rotation incorrect Also 1C fault code at remote controller Also 1C fault code at multi controller
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1C Code Fault codes – Outdoor unit EEPROM short circuit
Also 1C fault code at remote controller Also 1C fault code at multi controller
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14 Code Fault codes – Outdoor unit
G-Tr short circuit protective operation Also 14 fault code at remote controller Also 14 fault code at multi controller
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17 Code Fault codes – Outdoor unit Current detection circuit
Also 17 fault code at remote controller Also 17 fault code at multi controller
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21 Code Fault codes – Outdoor unit
High pressure switch protective operation Also 21 fault code at remote controller Also 21 fault code at multi controller
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1d Code Fault codes – Outdoor unit Compressor error
Also 1d fault code at remote controller Also 1d fault code at multi controller
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1F Code Fault codes – Outdoor unit Inverter Malfunction
Also 1F fault code at remote controller Also 1F fault code at multi controller
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d3 Code Fault codes – Outdoor unit
TH sensor circuit – inverter microprocessor (IPDU) Also d3 fault code at remote controller Also d3 fault code at multi controller
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dA Code Fault codes – Outdoor unit
Heat sink overheat protective operation (IPDU) Also dA fault code at remote controller Also dA fault code at multi controller
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