Cj" Indoor Unit: Malfunction Of Thermostat Sensor In; In Remote Controller; Remote Controller - Daikin RXYQ72 Serivce Manual

Troubleshooting by Indication on the Remote Controller
2.12 "CJ" Indoor Unit:

Remote Controller

CJ
Remote
Controller
Display
Applicable AII indoor unit models
Models
Method of Malfunction detection is carried out by temperature detected by remote controller air temperature
thermistor. (Note)
Malfunction
Detection
Malfunction When the remote controller air temperature thermistor becomes disconnected or shorted while the
unit is running.
Decision
Conditions
Supposed
Causes
Troubleshooting
Note: In case of remote controller thermistor malfunction, unit is still operable by suction air thermistor on
indoor unit.
∗
134
Malfunction of Thermostat Sensor in
Defect of remote controller thermistor
Defect of remote controller PC board
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Turn power supply OFF, then
power ON again.
Is "CJ"
displayed on the remote
controller?
1
*
NO
1: Refer to thermistor resistance / temperature characteristics table on P239.
YES
SiUS39-601
Replace remote controller.
External factor other than
equipment malfunction.
(for example, noise etc.)
(V2787)
Troubleshooting