emmeti X-REVO-0919E, Инструкция по использованию и установке

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77
GB GB
9. ANOMALIES AND FUNCTIONING
Cod. Error Description Possible causes How to deal with Note
46
IPM and control
board
communication
fault
1.The cable between the control board
and the driver board connect loose;
2.The cable between the control board
and the driver board is failure;
3.The driver board is failure
4.The control board is failure
1.Reconnect the cable between the
control board and the driver board;
2.Replace the communication cable
between the control board and the
driver board;
3.Replace the driver board;
4.Replace the control board.
47
Discharge
temperature too
high fault
1. The refrigerant of the unit is not enough;
2. The refrigerant of the unit is not enough due
to add the length of the installation pipe
3. Throttling service is failure;
4. The outdoor ambient temperature is too high.
1.Check the welding point to confirm whether
the unit has exist leakage point, and then add
some refrigerant.
2.Add some refrigerant refer to the installation
user manual;
3.Replace the throttling service (such as capilla-
ry, expansion valve)
4.Normally protection.
48
The outdoor DC fan
motor fault (upper fan motor)
1.The wiring of the up DC fan motor connect
loose;
2.The cord of the up DC fan motor is failure;
3.The up DC fan motor is failure;
4.The drive circuit of the up DC fan motor is
failure;
5.The outdoor fan has been blocked.
1.Reconnect the wiring of the up DC fan motor;
2.Replace the up DC fan motor;
3.Replace the up DC fan motor;
4.Replace the driver board of the fan motor;
5.Check the outdoor fan and ensure the outdoor
fan can run normally.
49 The outdoor DC fan motor
fault (down fan motor)
1.The wiring of the down DC fan motor connect
loose;
2.The cord of the down DC fan motor is failure;
3.The down DC fan motor is failure;
4.The drive circuit of the down DC fan motor is
failure;
5.The outdoor fan has been blocked.
1. Reconnect the wiring of the down DC fan
motor;
2. Replace the down DC fan motor;
3. Replace the down DC fan motor;
4. Replace the driver board of the fan motor;
5. Check the outdoor fan and ensure the outdoor
fan can run normally.
91
The unit turn off due
to the IPM board
over heating fault
1.The outdoor ambient is too high;
2.The speed of the out fan motor is too low if the
fan motor is AC fan motor;
3.The outdoor unit has been installed without
standard;
4.The supply power is too low.
Discharge the refrigerant and charge the refri-
gerant refer to the rating label
96
the refrigerant of
the unit is not enough fault
The refrigerant of the unit is not enough
Discharge the refrigerant and charge the
refrigerant refer to the rating label
97
4-way valve
commutation
failure fault
1.The wiring of the 4-way valve coil connect
loose;
2.The 4-way valve coil is failure;
3.The 4-way valve is failure;
4.The driver board of the 4-way valve is failure
1. Reconnect the wiring of the 4-way valve;
2. Replace the 4-way valve coil;
3. Replace the 4-way valve;
4. Replace the driver board of the 4-way valve.