SiBE12-908 Troubleshooting
Service Diagnosis 126
2.11 Humidity Sensor Abnormality
Remote
Controller Display
CC
Method of
Malfunction
Detection
Sensor abnormality is detected by input value.
Malfunction
Decision
Conditions
When the input from a temperature sensor is 4.96 V or more or 0.04 V or less*
Supposed
Causes
Improper connector connection
Defective indoor control PCB
Defective humidity sensor PCB
Troubleshooting
(R9422)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Is it OK?
Check the connector for proper
connection between the indoor
control PCB and display PCB.
Reconnect properly.
YES
NO
* Connect the connector again for
ensuring the connection.
Replace the indoor unit
PCB.
CC
: Humidity sensor
To Next Page
Loading...
Need help?
General