*1 Temperature varies depending on model type.
Abnormality in refrigerant
system such as refrigerant
shortage, faulty compressor,
etc. Conduct inspection
YES
Replace the discharge pipe
thermistor.
Replace the outdoor unit PCB
(A1P).
NO
YES
Caution
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
NO
Connect correctly.
NO
YES
Attach the thermistor.
NO
YES
CHECK 1
Is the
discharge pipe temperature
above the criteria?
( ∗1)
Is
the discharge pipe
thermistor correctly connected
to outdoor unit PCB
(A1P)?
Is the discharge
pipe thermistor attached to the
discharge pipe?
Is the discharge pipe
thermistor characteristic
normal?