Daikin SkyAir Service Manual page 203

Troubleshooting by Remote Controller Display / LED Display
Troubleshooting
192
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Is the
discharge pipe
temperature high?
(See *1.)
NO
Is the
discharge pipe
thermistor correctly
connected to PCB
(A1P)?
YES
Is the
discharge pipe
thermistor attached to the
discharge pipe?
YES
Is the
discharge pipe
thermistor characteristic
normal?
(*2.)
YES
*1 Temperature varies depending on model type.
Model name
RZQ71C7V1B,
RZQS71·100C7V1B
RZQ100 ~ 140C7V1B,
RZQS125·140C7V1B
*2 Refer to " Check 5 (P229)" for "Thermistor temperature – resistance conversion table"
YES
NO
NO
NO
Temperature
110˚C
115˚C
SiBE28-804
Abnormality in refrigerant system
such as gas shortage, faulty
compressor, etc. Conduct
inspection
Connect correctly, and operate the
unit again.
Attach the thermistor, and operate
the unit again.
Replace the discharge pipe
thermistor.
Replace the outdoor PC board
(A1P).
Troubleshooting