NOTICE: Power lines should go along the right side plate and be fixed to the fixation hook with
binding wires to keep out of contact with pipelines. Communication lines between indoor and
outdoor units also should go along the right side plate and keep away from power lines.
5 Installation of Controllers
Refer to the Installation Manual of the controller for more details.
6 Test Running
6.1 Trial Operation and Testing
(1) The meaning of error codes as shown below:
Table 6.1
Number Error code Error Remarks
1 E1 Compressor high pressure protection
2 E2 Indoor anti-freeze protection
3 E3
Compressor low pressure protection, low refrigerant
protection and refrigerant collecting mode
4 E4 Compressor high discharge temperature protection
5 E6 Communication error
6 E8 Indoor fan motor error
7 E9 Full water protection
8 F0 Indoor ambient temperature sensor error
9 F1 Evaporator temperature sensor error
10 F2 Condenser temperature sensor error
11 F3 Outdoor ambient temperature sensor error
12 F4 Discharge temperature sensor error
13 F5 Temperature sensor error of wired controller
15 C5 Capacity code error
16 EE Outdoor memory chip error
17 PF Electric box sensor error
18 H3 Compressor overload protection
19 H4 Overloading
20 H5 IPM protection
21 H6 DC fan motor error
22 H7 Drive desynchronizing protection
MS-SVN043-EN
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