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Troubleshooting for Outdoor Unit
SiUS092230EA
160
Part 6 Service Diagnosis
Troubleshooting
NO
YES
Nearly 0
Ω
Resistance
∞
Check
the resistance
between the pins 1 - 2 on
the connector
S40.
Stop valve open?
Open the stop valve.
Nearly 0
Ω
Resistance
∞
Replace the harness for the high
pressure switch.
Replace the high pressure switch
(S1PH).
Disconnect the connector
S40 from the PCB.
Replace the outdoor unit PCB
(main PCB).
Disconnect the 2 terminals of
the high pressure switch
(S1PH).
NO
YES
High
pressure switch
connector S40 properly
connected?
Reconnect the connector.
Check
the resistance
between the 2
terminals of the high
pressure switch
(S1PH).
(R22435)
Caution
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 ...