Engineering manual
302
45 E1 ODU power management fault 11 ODU
46 E2 ODU No physical address 11 ODU
47 E3 Driver IC fault 13 ODU
48 E4 Over current protection (Driver) 13 ODU
49 E5 Heat sink overheating (Driver) 13 ODU
50 E6 Temperature unusual rise (Driver) 13 ODU
51 E7 DCI Driver com. error (Driver) 13 ODU
52 E8 Under voltage protection (Driver) 13 ODU
53 E9 Over voltage protection (Driver) 13 ODU
54 EA Driver current detection circuit fault (Driver) 13 ODU
55 Eb Momentary power failure detection (Driver) 13 ODU
56 EC Driver Micro computer reset (Driver) 13 ODU
57 Ed Synchronism loss detection (Driver) 13 ODU
58 EE Set ODU dip switch in reserve range 13 ODU
59 EF High pressure protection for switch 2 13 ODU
60 F1 OAT sensor is fault 14 ODU
61 F2 CDT sensor is fault 13 ODU
62 F3 OCIT sensor is fault 14 ODU
63 F4 CDT sensor2 is fault 13 ODU
64 F5 OCMT sensor is fault 14 ODU
65 F6 SCIT sensor is fault 14 ODU
66 F7 OCOT sensor is fault 14 ODU
67 F8 SCOT sensor is fault 14 ODU
68 F9 CST sensor fault 14 ODU
69 FA Fix compressor overload alarm 13 ODU
70 Fb ODU EEPROM Fault 1 14 ODU
71 FC Deicing 5 ODU
72 FD Oil returning cycle 5 ODU
73 FE ODU Bad HBS com. fault 14 ODU
74 FF For future TBD ODU
75 H1 Physical address collision fault 11 System
76 H2
Total IDU nominal capacity is out of range
（50%-130%×ODU nominal capacity）
14 System
77 H3~H8 For future TBD System
78 H9-L5 Driver protection or fault 13 ODU
79 L6 Compresspr fault 13 ODU
80 L7-L9 Driver protection or fault 13 ODU
81 LA ODU power source current protection 13 ODU
82 Lb ODU MAC address failture 13 ODU
83 LC-LF For future TBD
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