Daikin VRV IV-S RXTQ-TAVJU Series Service Manual page 177

SiUS331604E
Troubleshooting
Service Diagnosis
Diagnosis procedure 4
Infrared floor sensor error
(Error code CE-04)
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-04 again or "--"
for sensor and address
data.
YES
∗ Check whether A2P connector is well connected or not.
Troubleshooting by Error Code
NO
Connect the connector correctly.
NO
Connect the connector correctly.
NO
Normal.
NO
Normal.
Replace the sensor.
164