Error contents
Indoor unit display Wired
remote
controller
display
Operation [ ]
(Green)
Timer [ ]
(Orange)
Economy [ ]
(Green)
E: 73. Outdoor unit heat exchanger
thermistor error (Outdoor unit)
7 times 3 times Continuous 73
E: 74. Outdoor temperature thermistor error
(Outdoor unit)
7 times 4 times Continuous 74
E: 76. 2-way valve thermistor error
(Outdoor unit)
7 times 6 times Continuous 76
E: 76. 3-way valve thermistor error
(Outdoor unit)
7 times 6 times Continuous 76
E: 77. Heat sink thermistor error (Outdoor
unit)
7 times 7 times Continuous 77
E: 86. High pressure switch error (Outdoor
unit)
8 times 6 times Continuous 86
E: 94. Over current error (Outdoor unit) 9 times 4 times Continuous 94
E: 95. Compressor motor control error
(Outdoor unit)
9 times 5 times Continuous 95
E: 97. Outdoor unit fan motor error
(Outdoor unit)
9 times 7 times Continuous 97
E: 99. 4-way valve error (Outdoor unit) 9 times 9 times Continuous 99
E: 9A. Coil 1 (expansion valve 1) error 9 times 10 times Continuous 9A
E: A1. Discharge temperature error
(Outdoor unit)
10 times 1 times Continuous A1
E: A3. Compressor temperature error
(Outdoor unit)
10 times 3 times Continuous A3
E: A8. Refrigerant leakage sensor error
(Indoor unit)
10 times 8 times Continuous A8
1-3. Error code table (Indoor unit and wired remote controller) - (03-3) - 1. Error code
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