Humidity Sensor Abnormality - Daikin CTXU25G2V1B Service Manual

SiBE12-908
2.11

Humidity Sensor Abnormality

CC
Remote
Controller Display
Method of Sensor abnormality is detected by input value.
Malfunction
Detection
Malfunction When the input from a temperature sensor is 4.96 V or more or 0.04 V or less*
Decision
Conditions
Supposed
Causes
Troubleshooting
CC
Service Diagnosis
Improper connector connection
Defective indoor control PCB
Defective humidity sensor PCB
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Check the connector for proper
connection between the indoor
control PCB and display PCB.
Is it OK?
YES
: Humidity sensor
* Connect the connector again for
ensuring the connection.
NO
Troubleshooting
Reconnect properly.
Replace the indoor unit
PCB.
(R9422)
119