Midea Aqua Tempo Super II Series Technical & Service Manual page 33

Aqua Tempo Super II Series DC Inverter Air-cooled chiller unit (50Hz)
Module high temperature(Tf1 or Tf2>82˚C) protection(Protection occurs for 3 times in 100 minutes
28 PL
1PU
29
2PU
1H0
30
2H0
31 H1
1H4
32
2H4
1H6
33
2H6
34 Fb
35 Fd
1FF
36
2FF
37 FP
38 L0
39 L1
40 L2
41 L4
42 L5
43 L7
44 L8
45 L9
46 dF
and the failure can be recovered by power disconnection only)
System A IPM module Communication error
System B IPM module Communication error
Under/Over voltage(V≥260V or V<165V) protection
Three times 1PP protection within one hour (power off recovery)
Three times 2PP protection within one hour (power off recovery)
Air suction temperature(Th) protection error
DIP inconsistency of multiple water pumps(Power failure recovery required)
Compressor frequency variation greater than 15Hz within one second protection
Actual compressor frequency differs from target frequency by more than 15Hz protection
DC fan 1 module protection
DC fan 2 module protection
System 1 DC bus voltage error
System 2 DC bus voltage error
Pressure sensor error
DC fan 1 error
DC fan 2 error
Inverter module protection
DC bus low voltage protection
DC bus high voltage protection
MCE error
Zero speed protection
Phase sequence error
Defrosting prompt
31
MCAC-ATSM-201704