73
ENGLISH
Troubleshoot
Outdoor Unit Errors
Error Code
Description
21
DC peak
22
Max ct (CT 2): Maximum current error
23
DC link voltage (low)
24
High voltage/heat plate SW
25
Under-voltage/over-voltage
26
DC comp position error
27
PSC fault error
28
DC link voltage (high)
29
Comp over-current
30
Surge in static speed #2 compressor discharge temperature
31
CT err (low current)
32
Inverter discharge temperature error (high)
33
Surge in static speed #1 compressor discharge temperature
34
Surge in high voltage
35
Drop in low voltage
36
Low compression ratio error
37
Compression ratio limit exceeded
39
Communication error (inverter
↔
PFC)
40
Inverter CT sensor open/short
41
Inverter discharge temperature sensor open/short
42
Low voltage sensor open/short
43
Heat exchanger temperature sensor (top)
44
Outdoor air temperature sensor open/short
45
Outdoor pipe (top) sensor open/short
46
Compressor suction temperature sensor open/short
47
Static speed #1 compressor discharge temperature sensor error
48
Heat exchanger temperature sensor (bottom) (SUPER3: Static speed #2
compressor discharge temperature sensor error)
49
Outdoor voltage sensor error (SUPER3: IPM temperature sensor error)
50
Missing phase of outdoor 3-phase power
51
Over-capacity error (indoor unit capacity limit exceeded)
52
Communication error (inverter board
→
main board)
53
Communication error (indoor device
→
outdoor unit)
54
RST reverse phase detection
Summary of Contents for AC Smart BACnet
Page 2: ......
Page 6: ...iv ENGLISH MEMO ...
Page 8: ...vi ENGLISH MEMO ...
Page 88: ...Ver 1 0 1 ...