Midea Super DC Series, Руководство по обслуживанию

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Troubleshooting
Electrical Control System 178
2.2 Indoor Unit Malfunctions
For the Console
Malfunction Timer Lamp
Operation Lamp
(flashes)
Indoor EEPROM malfunction X 1
Communication malfunction between indoor and outdoor units X 2
Indoor fan speed malfunction X 4
T1 temperature sensor open or short circuit X 5
T2 temperature sensor open or short circuit X 6
Refrigerant leakage X 7
Overcurrent protection (for some units) O 1
T4 temperature sensor open or short circuit O 2
T3 temperature sensor open or short circuit O 3
T5 temperature sensor open or short circuit O 4
Outdoor EEPROM malfunction (for some units) O 5
Outdoor fan speed malfunction O 6
IPM module malfunction
☆
1
DC voltage too high/too low protection
☆
2
Low ambient temperature protection
☆
4
Inverter compressor drive protection
☆
5
Compressor low pressure protection
☆
7
O (on) X(off)
☆
(flash at 2Hz)
For Other types (12K)
Malfunction Error Code Timer Lamp
Operation Lamp
(flashes)
Indoor EEPROM malfunction E0 X 1
Communication malfunction between indoor and outdoor units E1 X 2
Indoor fan speed malfunction E3 X 4
T1 temperature sensor open or short circuit E4 X 5
T2 temperature sensor open or short circuit E5 X 6
Refrigerant leakage detection EC X 7
Water level alarm EE X 8
Communication error between master and slave unit (for twins system) E8 X 9
Another indoor unit malfunction (for twins system) E9 X 10
Overcurrent protection (for some units) F0 O 1
T4 temperature sensor open or short circuit F1 O 2
T3 temperature sensor open or short circuit F2 O 3
T5 temperature sensor open or short circuit F3 O 4
Outdoor EEPROM malfunction (for some units) F4 O 5
Outdoor fan speed malfunction F5 O 6
T2B temperature open or short circuit F6 O 7
Communication malfunction between indoor two chips (For A6 Duct) FA O 11
IPM module malfunction P0
☆
1
DC voltage too high/too low protection P1
☆
2
Low ambient temperature protection P3
☆
4
Inverter compressor drive protection P4
☆
5
Compressor low pressure protection P6
☆
7
Outdoor IGBT sensor is faulty P7
☆
8
O (on) X(off)
☆
(flash at 2Hz)