Daikin RXQ12AHR Service Manual page 180

Troubleshooting with Remote Controller
Error code
Infrared floor sensor error
CE - 02
Infrared floor sensor error
CE - 03
Infrared floor sensor error
CE - 04
U4 - 01 Indoor-Outdoor transmission error
Refrigerant type error
UA - 13
Not applicable for self-cleaning decoration panel (when
UA - 15
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.
174
Description of error
Troubleshooting
Description of diagnosis
A disconnection of the temperature correction circuit
(thermistor) of the infrared floor sensor has been
detected.
Check if the connector is properly connected.
A short-circuit of the temperature correction circuit
(thermistor) of the infrared floor sensor has been
detected.
Check if the pins of the connector are touching each
other, and if any foreign matter on the PCB is causing a
short-circuit.
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.
SiAF341904E
Part 6 Service Diagnosis