Cj" Indoor Unit: Malfunction Of Thermostat Sensor In Remote Controller - Daikin FCQ18PVJU Service Manual

SiUS28-902_a
CJ
3.13 " " Indoor Unit: Malfunction of Thermostat Sensor in
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
Malfunction temperature thermistor. (Note)
Detection
Malfunction
When the remote controller air temperature thermistor becomes disconnected or shorted while
Decision the unit is running.
Conditions
 Defect of remote controller thermistor
Supposed
 Defect of remote controller P.C.B.
Causes
Troubleshooting
Note: In case of remote controller thermistor malfunction, unit is still operable by suction air thermistor
on indoor unit.
∗ Refer to thermistor resistance / temperature characteristics table on P.166.
Troubleshooting
Be sure to turn off the power switch before connecting or disconnecting
Caution
the connector, or parts could be damaged.
Turn power supply OFF, then
power ON again.
CJ
Is " "
displayed on the remote
controller?
NO
Troubleshooting by Indication on the Remote Controller
YES
Replace the remote
controller.
External factor other than
equipment malfunction.
(for example, noise etc.)
100