Gree U-Match 5 Series Manual page 57

GREE
Number Error code
21 H7
22 HC
23 Lc
24 Ld
25 LF
26 Lp
27 U7
28 P0
29 P5
30 P6
31 P7
32 P8
33 PA
34 Pc
35 Pd
36 PL
37 PH
38 PU
39 PP
40 ee
41 C4
42 dJ
43 oE
44 EL
If malfunction occurs during operation, LCD temperature display zone will show the failure information. If
several malfunctions occur at the same time, their corresponding error codes will be shown in turn. When
malfunction occurs, please shut off the unit and send for professional personnel to repair. For example, E1 (as
shown below) indicates high pressure protection.
Driver out-of-step protection
Pfc protection
Startup failure
Compressor phase-sequence protection
Power protection
IDU and ODU unmatched
4–way valve switch-over error
Driver reset protection
Over-current protection
Master control and driver communication error
Driver module sensor error
Driver module high temperature protection
AC current protection
Driver current error
Sensor connection protection
Bus low-voltage protection
Bus high-voltage protection
Charge loop error
Input voltage error
Drive memory chip error
ODU jumper cap error
Phase-loss and anti-phase protection
ODU error, for specific error please see the status of ODU main board indicator
Emergency stop (fire alarm)
U-Match 5 SERIES UNIT SERVICE MANUAL
Error
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