emmeti XECO-0915E, Инструкция по установке и руководство пользователя, Страница: 48 / 64

48
1. DESCRIZIONE DEI COMPONENTI
IT IT GB GB
N° Type of anomaly Display Possible causes
40 Malfunction of the indoor unit fan motor H6
1. Motor wiring loose or cut;
2. Motor blocked;
3. Motor damaged;
4. Indoor unit electronic board damaged.
41 Desynchronization of the compressor H7
1. Voltage between L and N on the terminal board different from 210 ÷ 250 VAC;
2. Compressor wiring loose or cut;
3. Compressor damaged;
4. Too much or not enough coolant;
5. Poor heat exchange (exchanger dirty or poor air circulation).
42 Power factor anomaly HC
1. Voltage between L and N on the terminal board different from 210 ÷ 250 VAC;
2. Wiring loose or cut (the unit must be off for at least 20 minutes before checking the
wiring);
3. Outdoor unit AP1 electronic board damaged.
43
Malfunction of the outdoor unit fan
motor
L3
1. Motor wiring loose or cut;
2. Motor blocked;
3. Motor damaged;
4. Outdoor unit electronic board damaged.
44 High absorption power protection L9 Power absorbed high
45 Indoor unit and outdoor unit not coupled LP Indoor unit and outdoor unit not coupled
46 No start LC
1. Time required by the compressor;
2. Compressor wiring loose or cut;
3. Compressor damaged;
47
Phase current anomaly detected in the
compressor circuit
U1
1. Voltage between L and N on the terminal board different from 210 ÷ 250 VAC;
2. Compressor wiring loose or cut;
3. Compressor damaged;
4. Outdoor unit AP1 electronic board damaged.
48
Anomaly for voltage drop for the DC
bus-bar
U3
1. Unstable voltage between L and N on the terminal board;
2. Outdoor unit AP1 electronic board damaged.
49
Anomaly in the detection of current for
the entire unit
U5
Outdoor unit AP1 electronic board damaged.
50 Malfunction of four-way valve U7
1. Supply voltage below 175 VAC;
2. Four-way valve wiring loose or cut;
3. Four-way valve damaged.
4. Outdoor unit AP1 electronic board damaged.
51 Outdoor unit zerocrossing anomaly U8
1. Motor wiring loose or cut;
2. Indoor unit electronic board damaged.
52
Malfunction of the coolant (liquid)
temperature sensor
b5
1. Loosening or bad contact of the temperature sensor with the electronic board.
2. Temperature sensor damaged.
3. Outdoor unit AP1 electronic board damaged.
4. The temperature sensor head has not been inserted inside the copper pipe.
53
Malfunction of the coolant (gas) temper-
ature sensor
b7
1. Loosening or bad contact of the temperature sensor with the electronic board.
2. Temperature sensor damaged.
3. Outdoor unit AP1 electronic board damaged.
4. The temperature sensor head has not been inserted inside the copper pipe.
9. MALFUNCTION