mrcool.com 18
18
No. 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 F0 Indoor ambient temperature sensor error
8 F1 Evaporator temperature sensor error
9 F2 Condenser temperature sensor error
10 F3 Outdoor ambient temperature sensor error
11 F4 Discharge temperature sensor error
12 F5 Temperature sensor error of wired controller
13 F6 Condenser mid-tube thermistor error
14 C5 Capacity code error
15 EE Outdoor memory chip error
16 PF Electric box sensor error
17 H3 Compressor overload protection
18 H4 Overloading
19 H5 IPM protection
20 H6 DC fan motor error
21 H7 Drive desynchronizing protection
22 Lc Activation failure
23 Ld Compressor phase sequence protection
24 LE Compressor stalling protection
25 LF Power protection
26 Lp Controllers incompatibility error
27 U7 4-way valve direction changing protection
28 P0 Drive reset protection
29 P5 Over-current protection
30 P6 Communication error between main control and drive
31 P7 Drive module sensor error
32 P8 Drive module over temperature protection
33 P9 Zero passage protection
34 PA AC current protection
35 Pc Drive current error
36 Pd Sensor connection protection
37 PE Temperature drift protection
2.5 Troubleshooting
WIRED CONTROLLER
2
To Next Page
Loading...
Need help?
General
