Daikin FTXR42EV1B9 Especificaciones Pagina 133

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SiBE04-624_B Troubleshooting
Service Diagnosis 123
Troubleshooting
Check No.01
Refer to P.134
H9
: Outdoor temperature thermistor
J3
: Discharge pipe thermistor
J6
: Outdoor heat exchanger thermistor
P4
: Radiation fin thermistor
(R17489)
Caution
NO
YES
YES
NO
NO
YES
Turn on the power again.
Normal?
Reconnect the connectors
or thermistors.
J3 error: the discharge
pipe temperature is
lower than the heat
exchanger temperature.
Replace the defective
thermistor(s) of the following
thermistors.
Outdoor temperature
thermistor
Discharge pipe thermistor
Outdoor heat exchanger
thermistor
Radiation fin thermistor
Cooling: Outdoor heat
exchanger
temperature
Heating: Indoor heat
exchanger
temperature
Replace the indoor heat
exchanger thermistor.
Replace the outdoor unit
PCB.
Error displayed
again on remote
controller?
Indoor heat
exchanger thermistor
functioning?
Check No. 01
Check the thermistor resistance
value.
Check No. 01
Check the indoor heat exchanger
thermistor resistance value in the
heating operation.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
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