Daikin FLXS-BAVMB Service Manual page 102

Troubleshooting
Troubleshooting
Check No.06
Refer to P.106
J3 error: the discharge
pipe temperature is
lower than the heat
exchanger temperature.
H9
J3
J6
P4
In case of " P4 " for RK(X)S25/35G2V1B, RK(X)S25/35G2V1B9, RXS25/35J2V1B models
Note:
Replace the outdoor unit PCB.
P4
91
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Turn on the power again.
Error displayed
again on remote
controller?
YES
Check No. 06
Check the thermistor resistance
value.
Normal?
YES
Cooling: Outdoor heat
exchanger
temperature
Heating: Indoor heat
exchanger
temperature
Check No. 06
Check the indoor heat exchanger
thermistor resistance value in the
heating operation.
Indoor heat
exchanger thermistor
functioning?
YES
: Outdoor temperature thermistor
: Discharge pipe thermistor
: Outdoor heat exchanger thermistor
: Radiation fin thermistor
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
: Radiation fin thermistor
NO
NO
NO
SiBE05-722_B
Reconnect the connectors
or thermistors.
Replace the defective
one(s) of the following
thermistors.
∗ Outdoor temperature
thermistor
∗ Discharge pipe thermistor
∗ Outdoor heat exchanger
thermistor
∗ Radiation fin thermistor
Replace the indoor heat
exchanger thermistor.
Replace the outdoor unit
PCB.
(Replace the indoor unit
PCB.)
(R11926)
Service Diagnosis