Midea MH-SU65-RN8L

30
No. Code Content Note
1F4 module A L0 or L1 protection occursfor 3 times in 60 minutes Recovered by power off
2F4 module B L0 or L1 protection occursfor 3 times in 60 minutes Recovered by power off
1F6 A system bus voltage error (PTC) Recovered upon error recovery
2F6 B system bus voltage error (PTC) Recovered upon error recovery
42 Fb Low pressure sensor error Recovered upon error recovery
43 Fd Suction temperatrue sensor error Recovered upon error recovery
1FF DC fan A error Recovered by power off
2FF DC fan B error Recovered by power off
45 FP DIP switch inconsistency of multiple water pumps Recovered by power off
46 C7 If PL occurs 3 times in 100 minutes,the system reports the C7 failure Recovered by power off or Wired controller clear fault
47 xL0
Compressor inverter module protection(x=1or 2,1 for Compressor A,2 for
Compressor B)
Recovered upon error recovery
48 xL1 low-voltage protection(x=1or 2,1 for Compressor A,2 for Compressor B) Recovered upon error recovery
49 xL2 high-voltage protection(x=1or 2,1 for Compressor A,2 for Compressor B) Recovered upon error recovery
50 xL4 MCE error(x=1or 2,1 for Compressor A,2 for Compressor B) Recovered upon error recovery
51 xL5 zero-speed protection(x=1or 2,1 for Compressor A,2 for Compressor B) Recovered upon error recovery
52 xL7 phase loss(x=1or 2,1 for Compressor A,2 for Compressor B) Recovered upon error recovery
53 xL8
frequency change over 15Hz(x=1or 2,1 for Compressor A,2 for
Compressor B)
Recovered upon error recovery
54 xL9
frequency phase difference 15Hz(x=1or 2,1 for Compressor A,2 for
Compressor B)
Recovered upon error recovery
55 dF Defrosting prompt Flash when entering the defrosting
L10
Overcurrent protection
L11
Transient phase current overcurrent protection
L12
Phase current overcurrent lasts 30s protection
57 L20
Module over temperature protection Over temperature fault
L30
Low bus voltage error
L31
High bus voltage error
L32
Excessively high bus voltage error
L34
Phase loss error
L43
Phase current sampling bias abnormal
L45
Motor code not match
L46
IPM protection
L47
Module type not match
L50
Startup failure
L51
Out of step error
L52
Zero speed error
L60
Fan motor phase loss protection
L65
IPM short circuit error
L66
FCT detection error
L6A
Open circuit of U-phase upper tube
L6B
Open circuit of U-phase lower tube
L6C
Open circuit of V-phase upper tube
L6D
Open circuit of V-phase lower tube
L6E
Open circuit of W-phase upper tube
L6F
Open circuit of W-phase lower tube
40 F4
41 F6
44 FF
60 Control fault
61 Diagnostic fault
56 Overcurrent fault
58 Power fault
59 hardware fault