72
Fault Displays
Models
MULTI18HP230V1AO
,
MULTI24HP230V1
A
O
&
MULTI30HP230V1
A
O
#
Malfunction Description
LED 1
LED 2
LED 3
LED 4
31
Unit A liquid pipe temperature sensor
malfunction
32
Unit A gas pipe temperature sensor malfunction
33
Unit B liquid pipe temperature sensor
malfunction
34
Unit B gas pipe temperature sensor malfunction
35
Unit C liquid pipe temperature sensor
malfunction
36
Unit C gas pipe temperature sensor malfunction
37
Unit D liquid pipe temperature sensor
malfunction
38
Unit D gas pipe temperature sensor malfunction
39
Unit A mode conflict
40
Unit B mode conflict
41
Unit C mode conflict
42
Unit D Mode Conflict
43
Communication failure with Unit A
44
Communication failure with Unit B
45
Communication failure with Unit C
46
Communication failure with Unit D
47
Unit A freeze protection
48
Unit B freeze protection
49
Unit C freeze protection
50
Unit D freeze protection
51
Unit A overheating prevention protection
52
Unit B overheating prevention protection
53
Unit C overheating prevention protection
54
Unit D overheating prevention protection
55
Unit A communication wire mis-connection or
expansion valve malfunction
56
Unit B communication wire mis-connec-
tion or expansion valve malfunction
57
Unit C communication wire mis-connection or
expansion valve malfunction
58
Unit D communication wire mis-connection or
expansion valve malfunction
