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| Remote Control Error Code |
7-segment display |
Description of fault | Possible Cause | ||||||||||||||
| E1 | – | Remote controller communication error |
Anomalous communication circuit between remote controller and indoor unit, Noise | ||||||||||||||
| E2 | – | Duplicated indoor unit addressing more than 49 units connected | Number of connected indoor units exceeds the limitation, Duplicated indoor unit address, Indoor PCB anomaly | ||||||||||||||
| E3 | – | Outdoor unit signal line error | Power is not suppied to outdoor unit, Unmatch of pairing between indoor and outdoor units, Indoor PCB anomaly, Outdoor control PCB anomaly, Missing local wiring | ||||||||||||||
| E5 | – | Communication error during operation |
Unit address No. setting error, Remote control wires broken, Poor connection/ disconnection of remote controller wires, Indoor control PCB anomaly, Noise | ||||||||||||||
| E6 | – | Indoor heat exchanger temp. sensor anomaly (Thi-R) |
Sensor anomaly, Poor connection, Indoor control PCB anomaly | ||||||||||||||
| E7 | – | Indoor return air temp. sensor anomaly (Thi-A) |
Sensor anomaly, Poor connection, Indoor control PCB anomaly | ||||||||||||||
| E9 | – | Drain trouble | Blocked drain, Drain pump anomaly, Float switch anomaly, Indoor contyrol PCB anomaly | ||||||||||||||
| E10 | – | Excessive number of indoor units by controlling one renote controller |
Excessive number of indoor units connected (more than 17 units), Remote controller anomaly | ||||||||||||||
| E11 | – | Address setting error (setting with remote controller) |
When plural indoor units are connected, do not use remote controller address setting method | ||||||||||||||
| E12 | – | Address setting error by mixed setting method |
The atomatic setting and manual setting mixed in the address setting method for indoor units | ||||||||||||||
| E16 | – | Indoor fan motor anomaly FDT&FDTC | Fan motor anomaly, Poor connection, Indoor PCB anomaly |
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| – | Indoor fan motor anomaly FDK&FDFW | ||||||||||||||||
| E18 | – | Address setting error of master and slave indoor remote controller |
Remote controller SW address setting error of master and slave indoor units. | ||||||||||||||
| E19 | – | Indoor unit operation check, drain motor check mode anomaly |
Mistake in SW7-1 setting due to forgetting to turn OFF SW7-1 after indoor operation check finished | ||||||||||||||
| E20 | – | Indoor fan motor rotationtion speed anomaly (FDT, FDTC, FDK, FDTW) |
DC fan motor revolution speed anomaly, Indoor power (control) PCB anomaly, Foreign material at rotational area of fan motor |
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| E21 | – | FDT Limit switch is not activated | Limit switch on the panel anomaly, Anomalous mounting position of gille, Connector CNV loose | ||||||||||||||
