Cc" Malfunction Of Humidity Sensor System - Daikin SkyAir RZQ200 · 250C7Y1B Service Manual

SiBE26-701

4.13 "CC" Malfunction of Humidity Sensor System

CC
Remote
Controller
Display
Applicable FCQ
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
Despite the malfunction code being indicated, the system continues operation.
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 PCB and
insert it again.
Does it
YES
function normally?
NO
Delete the malfunction code
record from the remote
controller. (*1)
Is "CC"
displayed on
YES
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 PCB ASSY (A2P) and taking
the steps *1 and 2, replace the indoor PCB ASSY (A1P).
Diagnosis by Remote Controller
It is normal.
(Poor connector contact)
Replace the humidity sensor
PCB ASSY (A2P).
*3
It is believed that external factors
(noise or else) other than failure
caused the malfunction.
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