Daikin VRV K - 2.21 Outdoor Unit: Malfunction of Thermistor (R4 T) for Suction Pipe

Si-95 Troubleshooting
Troubleshooting Inverter K Series 87
2.11 Indoor Unit: Malfunction of Thermistor (R1T) for Air Inlet
Remote Controller
Display
CC
CC
99
99
Supposed Causes ■ Defect of indoor unit thermistor (R1T) for air inlet
■ Defect of indoor unit PC board
Troubleshooting
Replace the indoor unit PC board.
Connect the thermistor and turn on
again.
NO
NO
Replace the thermistor (R1T).
YES
YES
Connector
is connected to X13A of
the indoor unit PC
board.
Resistance
is normal when
measured after
disconnecting the thermistor
(R1T) from the indoor unit
PC board. (7.2kΩ~
112kΩ)
(VF038)
SI-95.BOOK Page 87 Friday, March 31, 2000 10:59 AM