Daikin VRV R-407C PLUS Series, Руководство по обслуживанию

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Troubleshooting SiE 00-07
134 Troubleshooting R-407C PLUS Series
3.8 Indoor Unit: Malfunction of Capacity Determination Device
Remote controller
display
AJ
Supposed Causes You have forgotten to install the capacity setting adaptor.
Defect of indoor unit PC board
Troubleshooting
3.9 Indoor Unit: Malfunction of Thermistor (R2T) for Liquid Pipe
Remote Controller
Display
C4
Supposed Causes Defect of thermistor (R2T) for liquid pipe
Defect of indoor unit PC board
Troubleshooting
(VF035)
Install a capacity setting adaptor.
Replace the indoor unit PC board.
NO
NO
YES
YES
Replace the indoor unit PC board.
The indoor
unit PC board was replaced
with a replacement
PC board.
The indoor
unit is a model that
requires installation of a
capacity setting adaptor when
replacing the PC
board.
(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
(3.5k
Ω
~
360k
Ω
)