71
Alarm Code or
Cause Code of I.D.
Stoppage
Contents
Cause Code of
Inverter/Fan Stoppage
ITC FTC
02 Activation of protection device (High Pressure Cut) - - - -
04 Abnormality communication between inverter PCB and outdoor unit PCB - - - -
05 Abnormality of power supply phase - - - -
06
Activation of inverter voltage increase/decrease protection 5,6 - -
d1-18
07
Activation of discharge gas superheat decrease protection - - - -
d1-16
08
Activation of discharge gas temperature increase protection - - - -
d1-15
20 Abnormality of thermistor for discharge gas temp. (Td) - - - -
21 Abnormality of high pressure sensor (Pd) - - - -
22 Abnormality of thermistor for outdoor air temperature (Ta) - - - -
24 Abnormality of thermistor for outdoor unit heat exchanger liquid pipe (Te) - - - -
31 Incorrect capacity setting of indoor unit and outdoor unit - - - -
38 Abnormality of picking up circuit for protection in outdoor unit - - - -
45
Activation of high pressure increase protection - - - -
d1-13
47
Activation of low pressure decrease protection - - - -
d1-15
48
Activation of overcurrent protection 2,4 - -
d1-17
51
Abnormality of current sensor for inverter 8 - -
d1-17
53
Activation of inverter PCB protection device 1,12,21 - -
d1-17
54
Activation of inverter n temperature increase protection 3 - -
d1-17
55
Inverter failure
9,10,11,13,14,
15,16,23
- -
d1-18
57 Abnormality of Outdoor Fan Motor - - 1,12,24
5b Activation of overcurrent protection for outdoor fan - - 2
5C Abnormality of outdoor fan controller sensor - - 8
EE Compressor protection alarm - - - -
d1-05 Instantaneous power failure at the outdoor unit - - - -
d1-26 Retry due to high pressure decrease - - - -
A1 Abnormality of Active Filter - - - -
d1-35 4-Way valve switching failure - - - -
Note:
All History will be erased by pressing PSW1 for 5 seconds when Abnormal Data Record is displayed.
TROUBLESHOOTING
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