Cj" Indoor Unit: Malfunction Of Thermostat Sensor In Remote Controller - Daikin CMSQ200A7W1B Service Manual

SiBE28-805
CJ
3.12 " " 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
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.
∗
Troubleshooting
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.
Clear the malfunction code
history. (While in inspection
mode, press and hold the
"ON/OFF" button for a period of
five seconds or more.)
CJ
Is " "
displayed on the remote
controller?
NO
Refer to "Thermistor Resistance / Temperature Characteristics" table on P.247.
Troubleshooting by Indication on the Remote Controller
YES
Replace remote controller.
External factor other than
equipment malfunction.
(for example, noise etc.)
151