Daikin VRV IV-S RXTQ-TAVJU Series Service Manual page 176

Troubleshooting by Error Code
Troubleshooting
163
Diagnosis procedure 3
Infrared floor sensor error
(Error code CE-03)
Is the
connection of the adaptor
PCB connector X9A
normal? (∗)
YES
Is the
connection of the
sensor connector
normal?
YES
Check infrared floor sensor output; refer to
sensor and address data No. 26.
Displays
"--" by the above
verification
method.
YES
Turn off the power and then reconnect.
Displays
CE-03 again or "--"
for sensor and address
data.
YES
∗ Check whether A2P connector is well connected or not.
NO
Connect the connector correctly.
NO
Connect the connector correctly.
NO
Normal.
NO
Normal.
Replace the sensor.
SiUS331604E
Service Diagnosis