DC Inverter U-match Series Cassette Type Unit
28
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
23 Hc Pfc protection
25 Lc Activation failure
26 Ld Compressor phase sequence protection
27 LE Compressor stalling protection
28 LF Power protection
29 Lp Indoor and outdoor mismatch
30 U7 4-way valve direction changing protection
31 P0 Drive reset protection
32 P5 Over-current protection
33 P6 Communication error between main control and drive
34 P7 Drive module sensor error
35 P8 Drive module over temperature protection
36 P9 Zero passage protection
37 PA AC current protection
38 Pc Drive current error
39 Pd Sensor connecting protection
40 PE Temperature drift protection
41 PL Bus low voltage protection
42 PH Bus high voltage protection
43 PU Charge loop error
44 PP Input voltage abnormality
45 ee Drive memory chip error
Note: When the unit is connected with the wired controller, the error code will be simultaneously
shown on it.
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