Cc" Indoor Unit: Malfunction Of Humidity Sensor System; Malfunction Of Humidity Sensor System - Daikin RXYSQ4-5-6PA7V1B Service Manual

SiBE34-802
CC
3.16 " " Indoor Unit:
CC
Remote
Controller
Display
Applicable FXFQ
Models
Method of Even if a malfunction occurs, operation still continues.
Malfunction is detected according to the moisture (output voltage) detected by the moisture
Malfunction
sensor.
Detection
Malfunction When the moisture sensor is disconnected or short-circuited
Decision
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting

Malfunction of Humidity Sensor System

Faulty sensor
Disconnection
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Remove the humidity sensor
from the indoor PC board and
insert it again.
Does it
function normally?
NO
Delete the malfunction code
record from the remote
controller. (*1)
Is "CC"
displayed on
the remote
controller? (*2)
NO
*1: To delete the record, the ON/OFF button of the remote controller must be pushed and
held for 5 seconds in the check mode.
*2: To display the code, the Inspection/Test Operation button of the remote controller must be
pushed and held in the normal mode.
*3: If "CC" is displayed even after replacing the humidity sensor PC board ASS'Y (A2P) and
taking the steps *1 and 2, replace the indoor PC board ASS'Y (A1P).
Troubleshooting by Indication on the Remote Controller
YES
YES
It is normal.
(Poor connector contact)
Replace the humidity sensor
PC board ASS'Y (A2P).
*3
It is believed that external factors
(noise or else) other than failure
caused the malfunction.
161