Daikin VRV Inverter K Series - Indoor Unit: Malfunction of Thermistor (R2 T) for Liquid Pipe; Indoor Unit: Malfunction of Thermistor (R3 T) for Gas Pipes

SiE-05C Troubleshooting
Troubleshooting Inverter K Series 137
3.9 Indoor Unit: Malfunction of Thermistor (R2T) for Liquid Pipe
Remote Controller
Display
CC
CC
44
44
Supposed Causes  Defect of thermistor (R2T) for liquid pipe
 Defect of indoor unit PC board
Troubleshooting
3.10 Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes
Remote Controller
Display
CC
CC
55
55
Supposed Causes  Defect of indoor unit thermistor (R3T) for gas pipe
 Defect of indoor unit PC board
Troubleshooting
(VF036)
Replace the indoor unit PC board.
Connect the thermistor and turn on
again.
NO
NO
Replace the thermistor (R2T).
YES
YES
Connector
is connected to X12A
of the indoor unit
PC board.
Resistance
is normal when
measured after
disconnecting the thermistor
(R2T) from the indoor
unit PC board
(3.5kΩ~
360kΩ)
(VF037)
Replace the indoor unit PC board.
Connect the thermistor and turn on
again.
NO
NO
Replace the thermistor (R3T).
YES
YES
Connector
is connected to X11A of
the indoor unit PC board.
Resistance
is normal when
measured after disconnecting
the thermistor (R3T) from
the indoor unit PC board.
(0.6kΩ~360kΩ)
SI-05C.BOOK Page 137 Monday, November 6, 2000 4:13 PM
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