Download Daikin BRC7E65 Specifications

Si38-606
Troubleshooting by Indication on the Remote Controller
2.11 “C9” Indoor Unit: Malfunction of Thermistor (R1T) for
Suction Air
Remote
Controller
Display
C9
Applicable
Models
AII indoor unit models
Method of
Malfunction
Detection
Malfunction detection is carried out by temperature detected by suction air temperature
thermistor.
Malfunction
Decision
Conditions
When the suction air temperature thermistor becomes disconnected or shorted while the unit is
running.
Supposed
Causes
„ Defect of indoor unit thermistor (R1T) for air inlet
„ Defect of indoor unit PC board
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Connector
is connected to X13A or
X19A of the indoor unit
PC board.
NO
Connect the thermistor and turn
on again.
YES
Resistance
is normal when
measured after
disconnecting the thermistor NO
(R1T) from the indoor
unit PC board.
(7.2kΩ~
112kΩ)
YES
Replace the thermistor (R1T).
Replace the indoor unit PC board.
(V2786)
∗: Refer to thermistor resistance / temperature characteristics table on P232.
Troubleshooting
131