CONNECT SERIES SERVICE MANUAL
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ENGLISH
Troubleshooting
No. Error code Error
1 E1 Compressor high pressure protection
2 E3 Compressor low pressure protection
3 E4 Compressor air discharge high-temperature protection
4 F2 Condenser temperature sensor error
5 F3 Outdoor ambient temperature sensor error
6 F4 Discharge temperature sensor error
7 F6 ODU tube temperature sensor error
8 EE ODU memory chip error
9 H4 Overload
10 H5 IPM protection
11 H6 DC fan error
12 H7 Driver out-of-step protection
13 HC PFC protection
14 Lc Startup failure
15 P0 Driver reset protection
16 P5 Over-current protection
17 P6 Master control and driver communication error
18 P7 Driver module sensor error
19 P8 Driver module high temperature protection
20 PA AC current protection
21 Pc Driver current error
22 PL Bus low-voltage protection
23 PH Bus high-voltage protection
24 PU Charge loop error
25 ee Drive memory chip error
26 e1 High pressure sensor error
27 C4 ODU jumper cap error
Error Codes
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