Aircon Parts
Use part guides to validate quoted parts and avoid scope mismatch.
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Aircon four-way valve
On heat-capable systems, a four-way valve can affect mode switching and cooling behavior. Learn how four-way-valve faults differ from compressor and control faults.
Aircon indoor fan motor
Weak room airflow can come from motor fault or blocked filters. Learn which checks separate the two.
Aircon indoor PCB
Indoor PCB faults can look like wiring or sensor problems. Learn which checks confirm board failure.
Aircon indoor thermistor
Indoor thermistor faults can cause early cut-off and warm rooms. Learn which checks confirm if replacement is really needed.
Aircon indoor unit insulation foam
Indoor sweating and drip patterns can come from damaged internal insulation foam. Learn how insulation-foam faults differ from drain leaks and coil icing.
Aircon interconnect communication wire
Indoor and outdoor units must pass signals through the interconnect wire. Learn how communication-wire faults differ from PCB faults and terminal connection faults.
Aircon inverter power module (IPM)
No cooling, trips, or unstable inverter behavior can involve the inverter power module. Learn how IPM faults differ from outdoor PCB, compressor, and sensor faults.
Aircon IR receiver
Remote commands not reaching the indoor unit? Learn how IR receiver faults differ from remote battery issues and indoor PCB faults.
Aircon liquid line
Learn what the liquid line does, how it differs from the suction line, and what pipe signs can and cannot prove.
Aircon louvre swing motor
Swing flap not moving or stuck in one angle? Learn how louvre swing motor faults differ from vane linkage jams, remote issues, and indoor PCB faults.
Aircon louvre vane linkage
Flap movement problems can come from broken louvre linkage parts. Learn how vane linkage faults differ from swing motor faults and command issues.
Aircon noise filter (EMI filter)
Some outdoor units use an EMI or noise filter in the power path. Learn how EMI filter faults differ from fuse, isolator, and outdoor PCB faults.
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