Humidity Sensor Fault - Daikin E Series Service Manual

SiBE04-624

2.13 Humidity Sensor Fault

CC
Remote
Controller Display
Method of Sensor faulty 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
Check No.27
Refer to P.212
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 connector for proper
connection
Is it OK?
YES
Check No. 27
Check input voltage of humidity
sensor
Is it OK?
YES
: Humidity sensor
* Connect the connector again for
ensuring the connection.
NO
NO
Troubleshooting
Reconnect properly.
Replace the humidity
sensor PCB (A4P).
Replace the indoor control
PCB (A1P).
(R3414)
159