YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
YMGI: Your Modern Green Idea
42
Error Codes
①
If the unit operates abnormally (for example, bad odor), please stop the unit immediately and shut off or disconnect power.
Contact YMGI
’s authorized service center. If the unit continues to run abnormally, it can damage the unit and/or cause
electric shock or create a fire hazard.
②
Do not attempt to repair the air conditioner yourself. Improper maintenance or repair can cause electric shock or fire hazard.
Please contact YMGI
’s authorized service center and send for professional service staff to repair.
If the display panel or wired control displays an error code, please refer to the error code meaning stated in the following table.
No.
Error Code
Error
1
E1
Compressor high pressure protection
2
E4
Compressor air discharge high-temperature protection
3
E3
Compressor low pressure protection, refrigerant lack protection and refrigerant collecting mode
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
PF
Electric box sensor error
10
H3
Compressor overload protection
11
H4
Overload
12
H5
IPM protection
13
H6
DC fan error
14
H7
Driver out-of-step protection
15
HC
Pfc protection
16
Lc
Startup failure
17
Ld
Compressor phase-sequence protection
18
LF
Power protection
19
U7
4
–way valve switch-over error
20
P0
Driver reset protection
21
P5
Over-current protection
22
P6
Master control and driver communication error
23
P7
Driver module sensor error
24
P8
Driver module high temperature protection
25
P9
Zero-crossing protection
26
PA
AC current protection
27
Pc
Driver current error
28
Pd
Sensor connection protection
29
PE
Temperature drift protection
30
PL
Bus low-voltage protection
31
PH
Bus high-voltage protection
32
PU
Charge loop error
33
PP
Input voltage error
34
ee
Drive memory chip error
35
C4
ODU jumper cap error
When the unit is connected with the wired controller, the error code will be simultaneously shown on it.