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SiUS092230EA
Troubleshooting for Outdoor Unit
Part 6 Service Diagnosis
165
Note
Reference
Reference
Troubleshooting
OL (Q1M) activating temperature: 130°C (266°F)
OL (Q1M) recovery temperature: 95°C (203°F)
Check No.01
Check No.12
(R25224)
Caution
YES
NG
NO
OK
OK
NG
NG
OK
YES
NO
NG
OK
∗
Refrigerant shortage
∗
Water mixed
∗
Stop valve
Disconnect the connector S40
from the PCB.
Disconnect the 2 terminals of
the OL (Q1M).
Resistance
∞
Resistance
∞
Nearly 0
Ω
Nearly 0
Ω
Insert the thermistor in
position.
Replace the discharge pipe
thermistor.
Replace the electronic
expansion valve or the coil.
Refer to the refrigerant line
check procedure.
Replace the outdoor unit
PCB (main PCB).
Replace the four way valve
or the coil.
Replace the outdoor unit
PCB (main PCB).
Discharge
pipe thermistor
disconnected?
Check No. 01
Check the discharge pipe
thermistor.
Check No. 13
Check the four way
valve.
Check No. 14
Check the refrigerant
line.
Check No. 12
Check the electronic
expansion valve.
Replace the OL (Q1M).
Replace the OL harness.
Connect the connector S40
properly.
Is the connector
S40 properly connected?
Check
the resistance
between the 2 terminals on
connector S40.
Check the
resistance between the 2
terminals of the OL
(Q1M).
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Содержание RX-W Series
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Страница 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
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Страница 238: ...Piping Diagrams SiUS092230EA 232 Part 8 Appendix 1 2 Outdoor Unit RX09 12WMVJU9 RX15 18WMVJU9 3D135014 3D141501 ...
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Страница 246: ...Operation Limit SiUS092230EA 240 Part 8 Appendix 3 Operation Limit RX09 12 15 18 24WMVJU9 3D092209F ...