Daikin SkyAir RZQ200 · 250C7Y1B Service Manual page 142

SiBE26-701
Troubleshooting
Troubleshooting
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?
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 Temperature
RZQ200 • 250C
*2 See
Check No. 6 for "Thermistor temperature/Resistance characteristics".
*3 The connector No. of the discharge pipe thermister is shown in the following table.
Model name
RZQ200 • 250C
YES
NO
NO
NO
115°C
Symbol Connector Pin
X29A
R3T 1-2
Diagnosis by Remote Controller
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.
For some of the models,
replacement as a set of
integrated thermister is
required.Refer to ∗3.
Replace the outdoor
unit PC board (A1P).
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