ESIE17-19C
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Part 2. Troubleshooting
2.2. Error based troubleshooting
Page 18
19/08/19
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Version 1.1
Optimized Heating 4
2.2. Error based troubleshooting
Overview of error codes:
Indoor unit............................................................................................................................................................................................ 19
“A0-00” – Detection of refrigerant leak (only for FVXM-F model) ............................................................................................ 19
“A1-00” – Zero cross detection ................................................................................................................................................ 19
“A1-01” – PCB abnormality...................................................................................................................................................... 19
“A5-00” – Freeze-up protection / Heating peak cut control...................................................................................................... 20
“A6-00” – Fan motor abnormality............................................................................................................................................. 20
“AH-00” – Streamer unit error.................................................................................................................................................. 21
“AJ-00” – Capacity setting abnormality.................................................................................................................................... 21
“C1-00” – Transmission error (indoor & adapter PCB) ............................................................................................................ 21
“C4-00” – Liquid pipe thermistor for heat exchanger abnormality ........................................................................................... 22
“C9-00” – Suction air thermistor abnormality........................................................................................................................... 22
“CC-00” – Humidity sensor abnormality (only for FTXTA-A model)......................................................................................... 23
“CE-00” – Intelligent thermal sensor abnormality (only for FTXTA-A model)........................................................................... 23
“CH-00” – Abnormality of refrigerant leakage sensor (only for FVXM-F model)...................................................................... 24
Outdoor unit......................................................................................................................................................................................... 24
“E1-00” – PCB abnormality...................................................................................................................................................... 24
“E3-00” – Discharge pressure abnormality (units with no pressure sensor)............................................................................ 25
“E5-00” – Compressor motor lock or overheated .................................................................................................................... 25
“E6-00” – Compressor motor lock ........................................................................................................................................... 26
“E7-00” – Fan motor abnormality............................................................................................................................................. 27
“E8-00” – Compressor overcurrent detection .......................................................................................................................... 28
“E9-00” – Electronic expansion valve abnormality (units with no pressure sensor) ................................................................ 29
“EA-00” – 4-way valve abnormality.......................................................................................................................................... 29
“F3-00” – Discharge pipe temperature abnormality................................................................................................................. 30
“F6-00” – High pressure abnormality or refrigerant overcharge .............................................................................................. 31
“F8-00” – System shutdown due to compressor internal temperature abnormality................................................................. 32
“H0-00” – Compressor sensor system abnormality ................................................................................................................. 32
“H3-00” – High pressure switch abnormality ........................................................................................................................... 33
“H6-00” – Position detection sensor abnormality..................................................................................................................... 33
“H8-00” – Compressor input (CT) system abnormality............................................................................................................ 34
“H9-00” – Outdoor air temperature thermistor abnormality ..................................................................................................... 35
“J3-00” – Discharge pipe thermistor abnormality..................................................................................................................... 35
“J6-00” – Outdoor heat exchanger thermistor abnormality...................................................................................................... 36
“L1-00” – Main PCB abnormality ............................................................................................................................................. 36
“L3-00” – Switch box temperature abnormality........................................................................................................................ 37
“L4-00” – Inverter radiating fin temperature abnormality ......................................................................................................... 38
“L5-00” – Inverter instantaneous overcurrent (AC output)....................................................................................................... 38
“L8-00” – Electronic thermal overload ..................................................................................................................................... 39
“L9-00” – Stall prevention time lag........................................................................................................................................... 40
“LC-00” – Transmission system abnormality ........................................................................................................................... 40
“P1-00” – Open phase or power supply voltage imbalance..................................................................................................... 41
“P3-00” – Malfunction of thermistor in electrical box ............................................................................................................... 41
“P4-00” – Radiating fin temperature sensor abnormality......................................................................................................... 42
“PJ-00” – Capacity setting abnormality.................................................................................................................................... 42
System................................................................................................................................................................................................. 43
“U0-00” – Refrigerant shortage................................................................................................................................................ 43
“U2-00” – Power supply abnormality or instantaneous power failure ...................................................................................... 43
“U4-00” – Transmission abnormality between indoor unit and outdoor unit ............................................................................ 44
“UA-00” – Improper combination of indoor unit and outdoor unit ............................................................................................ 45
Others ................................................................................................................................................................................................. 46
