Daikin VRV RXYMQ-A Series Service Manual page 162

Troubleshooting by Error Code
Error code
Description of error
Infrared floor sensor error
CE - 04
U4 - 01 Indoor-Outdoor transmission error
Refrigerant type error
UA - 13
Not applicable for self-cleaning decoration
UA - 15 panel (when the self-cleaning decoration
panel is mounted)
As there are various combinations of indoor and outdoor units, the sub codes of A0 - A3 are not
shown in this table.
156
Troubleshooting
An abnormality other than the ones mentioned above has been
detected.
Check if the temperature nearby the sensor is too high, and if there is
any foreign matter that may cause noise.
Refer to the U4 flowchart.
The type of refrigerant used for the indoor unit is different from that
used for the outdoor unit.
An outdoor unit is not applicable for the self-cleaning decoration panel
is connected.
SiME332106E
Diagnosis
Part 6 Service Diagnosis