SiUS092230EA
Troubleshooting for Outdoor Unit
Part 6 Service Diagnosis
183
Reference
Troubleshooting
In case of H9, J3, J6
H9
: Outdoor temperature thermistor
J3
: Discharge pipe thermistor
J6
: Outdoor heat exchanger thermistor
Check No.01
(R20406)
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
Cooling: Outdoor heat
exchanger
temperature
Heating: Indoor heat
exchanger
temperature
Replace the indoor heat
exchanger thermistor.
Replace the outdoor unit
PCB (main 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.
Summary of Contents for RX-W Series
Page 1: ... Applied Models Inverter Pair Heat Pump Service Manual SiUS092230EA Inverter Pair RX W Series ...
Page 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 209: ...SiUS092230EA Check Part 6 Service Diagnosis 203 15 18 24 class R20704 W V U DC_P1 DC_N1 ...
Page 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...