Cj " Indoor Unit: Malfunction Of Thermostat Sensor In; Remote Controller - Daikin VRV III REYQ8PY1 Service Manual

Si37-701
CJ
3.12 " " 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: 1: How to delete "the record of malfunction codes".
∗
Troubleshooting
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.
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
Press the "Operate/ Stop" button for 4 seconds and more while the malfunction code is
displayed in the inspection mode.
Refer to "Thermistor Resistance / Temperature Characteristics" table on P417.
Troubleshooting by Indication on the Remote Controller
YES
Replace remote controller.
External factor other than
equipment malfunction.
(for example, noise etc.)
(V2787)
249