Е01 Ошибка при приеме сигнала последовательной связи (сигнал от основного внутреннего блока в случае группового управления).
E02 Ошибка в передаче сигнала последовательной связи
E03 Внутренний блок обнаруживает сигнал ошибки с пульта дистанционного управления (и системного контроллера)
E08 Настройка адреса внутреннего блока дублируется
E09 Настройка пульта дистанционного управления дублируется
E10 Ошибка передачи сигнала последовательной связи
E11 Дублирование основного устройства при одновременном управлении несколькими устройствами (обнаружено наружным блоком)
E14 Ошибка при приеме сигнала последовательной связи
E04 Ошибка в передаче сигнала последовательной связи
E05 Ошибка при приеме сигнала последовательной связи (включая отказ проверки количества единиц)
E06 Ошибка передачи сигнала последовательной связи
E07 Емкость внутреннего блока слишком низкая
E15 Емкость внутреннего блока слишком высокая
E16 Внутренние блоки не подключены
E20 Ошибка передачи сигнала последовательной связи
E17 Ошибка при приеме сигнала последовательной связи
E18 Ошибка связи с MDC
E31 Ошибка настройки группы внутренних блоков
L01 Неисправность внутреннего / наружного блока
L02 Дублирование основного блока в групповом управлении (обнаружено внутренним блоком)
L03 Дублирование адреса наружного блока (системный адрес)
L04 Групповая проводка, подключенная для независимого внутреннего блока
L07 Адрес не установлен или группа не установлена
L08 Емкость внутреннего блока не установлена
L09 Неисправность наружного блока или установка ошибки
L10 Неисправность в проводке группового контроля
L11 Ошибка установки типа внутреннего устройства (емкость)
L13 Неисправность подключения потолочной панели
P09 Защитный термостат вентилятора
Поплавковый выключатель P01
P10 Ошибка температуры нагнетания
P03 Обнаружена открытая фаза, неисправность электропитания переменного тока
P05 Нет газа
P15 4-ходовой клапан заблокирован
P19 Высокая охлаждающая нагрузка
P20 Наружная вентиляция
P22 Ошибка компрессора инвертора (HIC PCB)
P26 Ошибка компрессора преобразователя (MDC)
P29 Одновременная работа с несколькими функциями управления
P31 Неисправность тока компрессора (перегрузка)
H01 Датчик температуры внутреннего теплообменника (E1)
F01 Датчик температуры внутреннего теплообменника (E2)
F02 Датчик температуры в помещении
F10 Температура нагнетания (TD)
F04 Температура наружного теплообменника (C1)
F06 Температура наружного теплообменника (C2)
F07 Температура наружного воздуха (TO)
F08 Температура всасывания (TS)
F12 Внутренняя ошибка EEPROM
F29 Наружная ошибка EEPROM
F31 Наружная ошибка EEPROM
| Remote controller alarm display | Alarm contents | Judgment condition | Clear condition | Judgment and correction |
| PO3 | Abnormal discharge temperature •Discharge temp. detected at or above the specified value | Stops when temp. exceeds 111°C. | Recovery at restart | 1. Check refrigerant cycle (gas leak). 2. Electronic control valve trouble 3. Check tubing sensor (TD). |
| P05 | Missing phase detected. (CT disconnected or AC power trouble) | Current value sent from MDC on outdoor unit control PCB is low. No AC power input for 3 minutes or longer: pre-trip — 5 | Recovery at restart | 1. Check R/S/T power. 2. Check inverter control PCB. 3. Check outdoor unit control PCB. |
| P15 | nsufficient gas level detected. | The following conditions continue for 1 minute. •Discharge temp. is 95°C or higher. •Electronic control valve is at step 480. •Current value from MDC is 1.7 A (3-phase) or 1.0 A (1-phase) or less. | Recovery at restart | Check refrigerant cycle (gas leak). |
| P19 | 4-way valve locked •Judgment occurs after compressor has been ON for 5 minutes. | Indoor heat exchanger temp. drops although compressors are ON in heating mode: [min(E1, E2)] ≤10°C. Indoor heat exchanger temp. rises although compressors are ON in cooling mode: E2 ≥40°C | Recovery at restart | 1. Check 4-way valve. 2. Check 4-way valve wiring. 3. Check outdoor unit control PCB. |
| P20 | High-pressure protection trouble detected from cooling high-load C2 temp. | Temp. exceeds 64°C and subsequently does not drop to 55°C or below. •Continuously for 30 seconds →Alarm is output when this occurs once. •Continuously for less than 30 seconds →Inverter stops. | Recovery at restart | 1. Refrigerant cycle overload operation 2. Outdoor coil temperature sensor C2 |
| P22 | Outdoor unit fan motor trouble •Inverter protection circuit was activated, or lock was detected, at outdoor unit fan motor. | Inverter stops after alarm is detected | Recovery at restart | 1. Position detection trouble 2. Overcurrent protection circuit at outdoor unit fan motor was activated. •Check outdoor unit control PCB. •Refer to outdoor unit fan judgment methods. |
| P26 | Inverter protection circuit was activated, or G-Tr short-circuit (short time: 0.8 s or less) in inverter control | nverter stops after alarm is detected. Alarm is output when inverter stops (pre-trip) consecutively 4 times. | Recovery at restart | 1. Stops immediately when restarted. •Layer short in the compressor 2. Check inverter control PCB. •Wiring trouble |
| P29 | Current detection circuit trouble •AC current value is high even when compressor is stopped. | Inverter stops after alarm is detected. Alarm is output when inverter stops (pre-trip) consecutively 4 times. | Recovery at restart | 1. Stops immediately when restarted. •Layer short in the compressor 2. Check inverter control PCB. •Wiring trouble |
| Compressor motor output trouble, Inverter compressor trouble, MDC trouble | Inverter stops after alarm is detected. | Recovery at restart | 1. Refrigerant cycle trouble, overload operation 2. Loose screws and contact failure between HIC control PCB and radiating plate 3. Cooling failure of radiating plate 4. Check outdoor unit PCB wiring. | |
| Compressor does not run. (Overcurrent protection circuit activates after a certain period of time following compressor start.) | Inverter stops after alarm is detected. | Recovery at restart | 1. Compressor trouble (locked, etc.) •Replace the compressor. 2. Compressor wiring trouble (missing phase) | |
| Compressor breakdown •Starts to operate but operating frequency drops and compressor stops. | Inverter stops after alarm is detected. | Recovery at restart | 1. Check power voltage: AC 200 V ±20 V. 2. Refrigerant cycle overload operation 3. Check AC current detection circuit. | |
| Inverter control PCB position detection circuit trouble | Inverter stops after alarm is detected. | Recovery at restart | Position detection circuit is activated even when the compressor 3P connector is disconnected and the compressor operated. • Replace the inverter control PCB. | |
| F04 | Disconnection, open circuit, or short circuit in discharge temp. sensor (TD) | Sensor detection trouble (90°C or higher when 15 minutes have elapsed after compressor stopped). (Open circuit) | Automatic recovery | 1. Check discharge temp. sensor (TD). 2. Check outdoor unit control PCB. |
| F06 | Disconnection, open circuit, or short circuit in outdoor heat exchanger temp. sensor (C1) | Open circuit or short circuit | Automatic recovery | 1. Check outdoor heat exchanger temp. sensor (C1). 2. Check outdoor unit control PCB |
| F07 | Disconnection, open circuit, or short circuit in outdoor heat exchanger temp. sensor (C2) | Open circuit or short circuit | Automatic recovery | 1. Check outdoor heat exchanger temp. sensor (C2). 2. Check outdoor unit control PCB. |
| F08 | Disconnection, open circuit, or short circuit in outdoor air temp. sensor (TO) | Open circuit or short circuit | Automatic recovery | 1. Check outdoor air temp. sensor (TO). 2. Check outdoor unit control PCB. |
| F12 | Disconnection, open circuit, or short circuit in intake temp. sensor (TS) | Open circuit or short circuit | Automatic recovery | 1. Check intake temp. sensor (TS). 2. Check outdoor unit control PCB. |
| F31 | EEPROM trouble | Reading/writing failure | Recovery at power reset | 1. Check EEPROM (IC901). 2. Check outdoor unit control PCB. |
| L02 | Mismatch of indoor and outdoor unit types (Espacio, Multi, GHP) | Indoor unit judges that type does not match outdoor unit type. | Recovery at power reset | 1. Check indoor unit EEPROM. 2. Check indoor unit control PCB |
| L04 | Settings failure | Duplicated outdoor unit address (system address) | Automatic recovery | 1. Check outdoor unit system address. 2. Check inter-unit control wiring. |
| L07 | Settings failure | Group control wiring is connected to an independent-control indoor | Recovery at power reset | 1. Check inter-unit control wiring. 2. Check indoor unit EEPROM. |
| L10 | Settings failure | Outdoor unit capacity not set. | Recovery at power reset | Check outdoor unit EEPROM. |
| L13 | Indoor-outdoor unit types | Outdoor unit judges that type does not match indoor unit type. | Recovery at power reset | 1. Check indoor unit EEPROM. 2. Check outdoor unit control PCB. |
| E06 | Outdoor unit detected abnormal signal from indoor unit. | Serial signal receiving failure (including failure to verify No. of units) | Automatic recovery | 1. Check inter-unit control wiring. 2. Check outdoor unit |
| E07 | Outdoor unit sending failure to indoor unit | Serial signal sending failure | Automatic recovery | 1. Check inter-unit control wiring. 2. Check outdoor unit control PCB. |
| E14 | Settings failure | Duplicated master unit in simultaneous-operation multi control (Detected by outdoor unit) | Recovery at power reset | 1. Check inter-unit control wiring. 2. Check indoor unit combination. |
| E15 | Automatic address setting failure | Indoor unit capacity too low. | Recovery at power reset | 1. Check inter-unit control wiring. 2. Check outdoor unit control PCB. |
| E16 | Automatic address setting failure | Indoor unit capacity too high. | Recovery at power reset | 1. Check inter-unit control wiring. 2. Check outdoor unit control PCB. |
| E20 | Automatic address setting failure | Outdoor unit cannot receive any serial signals from indoor units. | Recovery at power reset | 1. Check inter-unit control wiring. 2. Check outdoor unit control PCB. |
| E31 | Communications trouble within unit | No communication possible with MDC for 3 minutes or longer. | Automatic recovery | Check outdoor unit control PCB. |
| H01 | Overcurrent | Inverter stops after alarm is detected. | Recovery at restart | 1. Refrigerant cycle trouble, overload operation 2. Loose screws between HIC control PCB and radiating plate 3. Cooling failure of radiating plate 4. Check outdoor unit PCB wiring. |
