Error Code KNX
Error Description
55
Thermal storage module LEV failure
56
Thermal storage module too hot failure
57
Communication between Thermal storage module and host computer
58
Thermal storage module Tc1 temp sensor failure
59
Thermal storage module Tc2 temp sensor failure
60
Reserved
61
Reserved
62
Reserved
63
Thermal storage module DIP setting failure
64
"CT1 over current CT2 over current"
67
Communication with motor driving board failure
71
"Left DC motor blocked Right DC motor blocked"
72
"Left DC motor reversed Right DC motor reversed"
73
"Left DC motor current too high Right DC motor current too high"
75
"No pressure drop between high pressure and low one Pressure too low between high pressure and low one"
76
Incorrect outdoor address or capacity setting
77
Oil equalization protection among outdoors
78
"Lack of refrigerant in cooling Lack of refrigerant in heating"
79
Incorrect wiring
80
Indoor and outdoor do not match
81
Model temp too high protection
82
Compressor current protection
83
Wrong model selection
99
Program self - test failure
100
DC motor driving board IPM alarm
101
DC motor driving board detecting out of control
102
DC motor driving board EEPROM faulty
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