![background image](http://html1.mh-extra.com/html/daikin/r32-sky-air-rzag-m/r32-sky-air-rzag-m_service-manual_4705442023.webp)
ESIE17-08
|
Part 2. Troubleshooting
2.2. Error based troubleshooting
15/11/18
|
Version 1.1
Page 23
R32 Sky-Air RZAG-M
2.2. Error based troubleshooting
Overview of error codes:
Indoor unit ............................................................................................................................................................................................24
“A1-01” – Indoor unit PCB abnormality ....................................................................................................................................24
“A3-00” – Drain water level system abnormality.......................................................................................................................24
“A6-00” – Indoor unit fan motor abnormality.............................................................................................................................24
“AJ-00” – Capacity setting abnormality ....................................................................................................................................25
“C1-00” – Transmission error (indoor & adapter PCB) .............................................................................................................25
“C4-00” – Liquid pipe thermistor for heat exchanger abnormality ............................................................................................26
“C5-00” – Intermediate heat exchanger thermistor abnormality...............................................................................................26
“C9-00” – Suction air thermistor abnormality............................................................................................................................26
“CC-00” – Humidity sensor system abnormality.......................................................................................................................27
“CJ-00” – Remote controller thermistor abnormality ................................................................................................................27
Outdoor unit..........................................................................................................................................................................................28
“E1-00” – Outdoor unit PCB abnormality..................................................................................................................................28
“E3-00” – Discharge pressure abnormality...............................................................................................................................28
“E4-00” – Suction pressure abnormality...................................................................................................................................29
“E5-00” – Compressor motor lock or overheated .....................................................................................................................29
“E7-00” – Fan motor abnormality .............................................................................................................................................30
“E9-00” – Electronic expansion valve abnormality ...................................................................................................................30
“F3-00” – Discharge pipe temperature abnormality..................................................................................................................31
“H3-00” – High pressure switch abnormality ............................................................................................................................32
“H4-00” – Low pressure switch abnormality .............................................................................................................................32
“H9-00” – Outdoor air temperature thermistor abnormality ......................................................................................................32
“J3-00” – Discharge pipe thermistor abnormality .....................................................................................................................33
“J5-00” – Suction pipe thermistor abnormality..........................................................................................................................33
“J6-00” – Outdoor heat exchanger thermistor abnormality.......................................................................................................33
“J7-00” – Intermediate heat exchanger thermistor abnormality................................................................................................34
“J8-00” – Liquid pipe thermistor abnormality ............................................................................................................................34
“L1-00” – Outdoor main PCB abnormality ................................................................................................................................34
“L5-00” – Inverter instantaneous overcurrent (AC output)........................................................................................................35
“L8-00” – Electronic thermal overload ......................................................................................................................................36
“L9-00” – Stall prevention time lag ...........................................................................................................................................36
“LC-00” – Transmission system abnormality ............................................................................................................................37
“P1-00” – Open phase or power supply voltage imbalance .....................................................................................................37
“P4-00” – Radiating fin temperature sensor abnormality..........................................................................................................38
“PJ-00” – Capacity setting abnormality ....................................................................................................................................38
System .................................................................................................................................................................................................39
“U0-00” – Refrigerant shortage ................................................................................................................................................39
“U1-00” – Reverse phase or open phase .................................................................................................................................39
“U2-00” – Power supply abnormality or instantaneous power failure.......................................................................................40
“U4-00” – Transmission abnormality between indoor unit and outdoor unit .............................................................................40
“UA-00” – Improper combination of indoor unit and outdoor unit .............................................................................................41
“UF-00” – Wiring and piping mismatch.....................................................................................................................................41
Others .................................................................................................................................................................................................42