P5417053-rev.1
39
8.4 Alarm Code
Code Category Content of Abnormality Code Category Content of Abnormality
01 Indoor Unit Activation of Protection Device 35
System
Incorrect Setting of Indoor Unit No.
02 Outdoor Unit
Activation of Protection Device
(High Pressure Cut)
36 Incorrect Indoor Unit Combination
03
Communication
Operational Irregularities between
Indoor and Outdoor
38
Problem with Protective Pickup Circuit
in Outdoor Unit
04
Problem between Inverter PCB and
Outdoor PCB
39 Compressor
Problem with Running Current at
Constant Speed Compressor
05 Supply Phase Problem of Power Source Phases 41
Pressure
Overload Cooling
06 Voltage
Abnormal Voltage Drop in
Outdoor Unit
42 Overload Heating
07
Cycle
Decrease in Superheated Discharge
Gas
43
Protection
Device
Activation of Pressure Ratio Decrease
Protection Device
08
Increase in Discharge Gas
Temperature
44
Activation of Low Pressure Decrease
Protection Device
09 Outdoor Unit
Activation of Protection Device for
2XWGRRU)DQ
45
Activation of Low Pressure Increase
Protection Device
11
Sensor on
Indoor Unit
,QOHW$LU7KHUPLVWRU)DLOXUH 46
Activation of High Pressure Increase
Protection Device
12 2XWOHW$LU7KHUPLVWRU)DLOXUH 47
Activation of High Pressure Decrease
Protection Device
13 )UHH]H3URWHFWLRQ7KHUPLVWRU)DLOXUH 48
Activation of Overcurrent Protection
Device
14 *DV3LSLQJ7KHUPLVWRU)DLOXUH 51
Inverter
Problem with Inverter Current Sensor
19 )DQ0RWRU
Activation of Protection Device for
,QGRRU)DQ
52
Activation of Inverter Overcurrent
Protection
20
Sensor on
Outdoor Unit
&RPSUHVVRU7KHUPLVWRU)DLOXUH 53
Activation of Transistor Module
Protection
21 +LJK3UHVVXUH6HQVRU)DLOXUH 54
$EQRUPDOLW\RI,QYHUWHU)LQ
Temperature
22 2XWGRRU$LU7KHUPLVWRU)DLOXUH 56
2XWGRRU)DQ
$EQRUPDOLW\RI'HWHFWLRQIRU)DQ
Motor Position
23 'LVFKDUJH*DV7KHUPLVWRU)DLOXUH 57 $FWLYDWLRQRI)DQ&RQWUROOHU3URWHFWLRQ
24 (YDSRUDWLQJ7KHUPLVWRU)DLOXUH 58 $EQRUPDOLW\RI)DQ&RQWUROOHU
29 /RZ3UHVVXUH6HQVRU)DLOXUH b0
System
Incorrect Setting of Unit Capacity
31
System
Incorrect Capacity Setting of
Outdoor Unit and Indoor Unit
b1
Incorrect Setting of Unit and
Refrigerant Cycle No.
32
Incorrect Setting of Other Indoor Unit
Number
EE Compressor Compressor Protection Alarm