Daikin VRV EMERION RXYQ-AATJA, Руководство по обслуживанию

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SiUS342303E Troubleshooting by Error Code
Part 6 Service Diagnosis 292
Note(s)
3.29 Humidity Sensor System Abnormality
Applicable
Models
FXFQ-T
Error Code
CC
Method of Error
Detection
Even if an error occurs, operation still continues.
Error is detected according to the moisture (output voltage) detected by the moisture sensor.
Error Decision
Conditions
When the moisture sensor is disconnected or short circuited
Supposed
Causes
 Defective sensor

Disconnection
Troubleshooting
Caution
Be sure to turn off the po w er s w itch before connecting or disconnecting
connectors, or parts may be damaged.
YES
N O
Is CC
displayed on the
remote controller?
(
∗
2)
YES
N O
Does it
function normally?
Remove the humidity sensor
from the indoor unit control
PCB and insert it again.
N ormal.
(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 error.
Delete the error code history
from the remote controller.
(
∗
1)

1.

2.

3.
To delete the history, the ON/OFF button of the remote controller must be pressed and
held for 5 seconds in the check mode.
To display the code, the
INSPECTION/TEST button of the remote controller must be
pressed and held in the normal mode.
If
CC is displayed even after replacing the humidity sensor PCB (A2P) and taking the
steps

1 and

2, replace the indoor unit control PCB (A1P).