Troubleshooting by Remote Controller Si20-701_B
125
3.19
CC
Humidity Sensor System
Abnormality
Remote Controller Display
CC
Applicable Models
FCQ(H)
Method of Error Detection
The error is detected by humidity detected by humidity
sensor.
Error Decision Conditions
The error is generated when the humidity sensor
becomes disconnected or shorted when the unit is
running.
Even if the sensor is defective, the system can operate.
Supposed Causes
Defective sensor
Broken wire
External factor (Noise, etc.)
Troubleshooting
The
error is displayed
again.
YES
NO
Replace the
indoor unit PCB.
Turn the power supply
OFF and turn the power
ON.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
External factor
(Noise, etc.)
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