Daikin SkyAir RZR-TA Series User Manual

SiUS281811EA Troubleshooting by Error Codes
Part 6 Service Diagnosis 245
Note(s)
Reference
4.25 Remote Sensor Abnormality
Error Code C9
Applicable
Models
FTQ-TA
Method of Error
Detection
The error is detected by remote sensor temperature.
Error Decision
Conditions
When the remote sensor becomes disconnected or shorted while the unit is running.
Supposed
Causes
 Defective indoor unit thermistor (R1T) for room temperature
 Defective indoor unit PCB
Troubleshooting
∗1. Connector and indoor unit PCB
CHECK 11 Refer to page 301.
Is the
optional remote sensor
is installed?
Field setting
10(20)-2 is set to 03.
Connector
is connected to the
indoor unit PCB
(1).
Resistance
is normal when
measured after
disconnecting the sensor
from the indoor unit
PCB.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Set to 03.
Replace the indoor unit PCB.
NO NO
YES
YES
Replace the indoor unit PCB.
Connect the sensor and turn ON
again.
NO
NO
Replace the sensor (R1T).
YES
YES
CHECK 11
Model Connector for remote sensor PCB
FTQ-TA X4A A1P

Daikin SkyAir RZR-TA Series Specifications

General

Brand	Daikin
Model	SkyAir RZR-TA Series
Category	Air Conditioner
Language	English