Daikin RZQ100B8V3B Service Manual page 220

Error Codes: Outdoor Units
1
Troubleshooting
3 3
4
5
Caution
3–72
Is the
discharge pipe
temperature high?
(See *1.)
Is the
discharge pipe
thermistor correctly
connected to PCB
(A1P)?
Is the
discharge pipe
thermistor attached to the
discharge pipe?
Is the
discharge pipe
thermistor characteristic
normal?
(*2.)
*1 Temperature varies depending on model type.
Model name
RZQ71
RZQ100 ~ 140
*2 See "Check 5.6" for "Thermistor temperature – resistance conversion table"
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
YES
NO
NO
YES
NO
YES
NO
YES
Temperature
110˚C
115˚C
ESIE05-03
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 unit PC board.
Part 3 – Troubleshooting