Aircon Parts
Use this category when a part replacement is proposed and you need to verify whether symptoms truly point there.
50 part-by-part guides for Singapore homes. Use these pages to compare symptom overlap, avoid premature replacement, and understand what should be verified before approving part scope.
All Parts Guides
Browse the full parts library or search by part name, symptom overlap, and related terms.
Showing 21-40 of 50 parts guides
Parts Guide
Aircon Filter Drier
Some refrigerant repairs involve a filter drier in the refrigerant path. Learn how filter-drier issues differ from leaks, metering faults, and compressor-side faults.
Parts Guide
Aircon Flare Joint
Slow gas loss can come from a leaking flare joint. Learn how flare-joint leaks differ from coil leaks and service valve leaks before any top-up is recommended.
Parts Guide
Aircon Float Switch
Aircon keeps shutting off from a drain issue? Learn how float switch faults differ from drain blockage, drain pan faults, and other shutdown causes.
Parts Guide
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.
Parts Guide
Aircon Indoor Fan Motor
Weak room airflow can come from motor fault or blocked filters. Learn which checks separate the two.
Parts Guide
Aircon Indoor PCB
Indoor PCB faults can look like wiring or sensor problems. Learn which checks confirm board failure.
Parts Guide
Aircon Indoor Thermistor
Indoor thermistor faults can cause early cut-off and warm rooms. Learn which checks confirm if replacement is really needed.
Parts Guide
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.
Parts Guide
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.
Parts Guide
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.
Parts Guide
Aircon IR Receiver
Remote commands not reaching the indoor unit? Learn how IR receiver faults differ from remote battery issues and indoor PCB faults.
Parts Guide
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.
Parts Guide
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.
Parts Guide
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.
Parts Guide
Aircon Outdoor Fan Blade
Outdoor noise, vibration, or weak heat release can come from a damaged fan blade. Learn how fan-blade faults differ from motor faults and bracket vibration.
Parts Guide
Aircon Outdoor Fan Motor
A failing outdoor fan motor traps heat in the system. Learn which checks confirm motor-related failure.
Parts Guide
Aircon Outdoor PCB
Outdoor PCB faults can look like compressor failure. Learn which checks confirm board failure.
Parts Guide
Aircon Outdoor PCB Fuse
No outdoor response can come from a blown outdoor PCB fuse. Learn how fuse faults differ from terminal, PCB, and power-switch faults.
Parts Guide
Aircon Outdoor Reactor or Choke
Some inverter outdoor units use a reactor or choke in the power path. Learn how reactor-path faults differ from IPM, outdoor PCB, and sensor faults.
Parts Guide
Aircon Outdoor Run Capacitor
A weak run capacitor can sound like a dead compressor. Learn which checks separate capacitor and compressor faults.
Next Step
If the issue starts from a room behavior (not a part diagnosis), use the symptom guides first and narrow the likely fault path before comparing replacements.
Practical aircon articles and real case studies for Singapore homes.