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Troubleshooting by Indication on the Remote Controller
CJ
3.17 "
" 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. (Note1)
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.
∗
162
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?
NO
Refer to thermistor resistance / temperature characteristics table on P251.
YES
Urban Multi ML5 · Mini UM · Heat Pump
Replace remote controller.
External factor other than
equipment malfunction.
(for example, noise etc.)
(V2787)
Troubleshooting
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Troubleshooting
