Chiltrix Inc. www.chiltrix.com
50
Error Codes
28
voltage protection F1
29
IPM Fault F2
30
Compressor Drive Fault F3
31
Compressor over current protection 1(DC current
on U,V,W wire of compressor pins,checked by IPM)
F4
32
33
IPM Overheat F6
34
PFC Fault F7
35
DC bus overvoltage F8
36
DC bus undervoltage F9
37
AC input over or under voltage F10
38
AC input current protection(AC current of
compressor+fan motor+water pump, checked by
IPM)
F11
39
Temperature sensor Fault F12
40
DSP and mainboard communication Fault F13
41
Control board and inverter communication fault P13
42
Inlet and Outlet water temp difference is too big
P14
43
AC system antifreeze twice
E17
44
45
46
Control panel parameters are not initialized P12
47
48
EC fan 1 Fault F14
49
EC fsn 2 Fault F15
50
Heat recovery warning P12
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